diff --git a/changelog_unreleased/javascript/18351.md b/changelog_unreleased/javascript/18351.md
new file mode 100644
index 000000000..4d33eefce
--- /dev/null
+++ b/changelog_unreleased/javascript/18351.md
@@ -0,0 +1,13 @@
+#### Fix string print when switching quotes (#18351 by @fisker)
+
+<!-- prettier-ignore -->
+```jsx
+// Input
+console.log("A descriptor\\'s .kind must be \"method\" or \"field\".")
+
+// Prettier stable
+console.log('A descriptor\\'s .kind must be "method" or "field".');
+
+// Prettier main
+console.log('A descriptor\\\'s .kind must be "method" or "field".');
+```
diff --git a/src/utils/make-string.js b/src/utils/make-string.js
index d57c1650f..77dc7b5b8 100644
--- a/src/utils/make-string.js
+++ b/src/utils/make-string.js
@@ -1,7 +1,8 @@
 /** @import {Quote} from "./get-preferred-quote.js" */
 
 // Matches _any_ escape and unescaped quotes (both single and double).
-const REGEX = /\\?(?<quote>["'])/gu;
+// Matching `\` in first group, so we won't treat `\\"` as escaped quote.
+const REGEX = /\\(["'\\])|(["'])/gu;
 
 /**
  * @param {string} rawText
@@ -9,14 +10,25 @@ const REGEX = /\\?(?<quote>["'])/gu;
  * @returns {string}
  */
 function makeString(rawText, enclosingQuote) {
-  return (
-    enclosingQuote +
-    rawText.replaceAll(
-      REGEX,
-      (_, quote) => (quote === enclosingQuote ? "\\" : "") + quote,
-    ) +
-    enclosingQuote
-  );
+  const otherQuote = enclosingQuote === '"' ? "'" : '"';
+
+  // Escape and unescape single and double quotes as needed to be able to
+  // enclose `rawText` with `enclosingQuote`.
+  const raw = rawText.replaceAll(REGEX, (match, escaped, unescaped) => {
+    // If we matched an escape, and the escaped character is a quote of the
+    // other type than we intend to enclose the string with, there's no need for
+    // it to be escaped, so return it _without_ the backslash.
+    if (escaped) {
+      return escaped === otherQuote ? otherQuote : match;
+    }
+
+    // If we matched an unescaped quote and it is of the _same_ type as we
+    // intend to enclose the string with, it must be escaped, so return it with
+    // a backslash.
+    return unescaped === enclosingQuote ? "\\" + unescaped : unescaped;
+  });
+
+  return enclosingQuote + raw + enclosingQuote;
 }
 
 export default makeString;
diff --git a/tests/format/js/quotes/switch-quote/__snapshots__/format.test.js.snap b/tests/format/js/quotes/switch-quote/__snapshots__/format.test.js.snap
new file mode 100644
index 000000000..dac9ff62d
--- /dev/null
+++ b/tests/format/js/quotes/switch-quote/__snapshots__/format.test.js.snap
@@ -0,0 +1,53 @@
+// Jest Snapshot v1, https://jestjs.io/docs/snapshot-testing
+
+exports[`switch-quote.js format 1`] = `
+====================================options=====================================
+parsers: ["babel", "typescript", "flow"]
+printWidth: 80
+                                                                                | printWidth
+=====================================input======================================
+console.log([
+  // 18351
+  "A descriptor\\\\'s .kind must be \\"method\\" or \\"field\\".",
+
+  // Will switch to single quote
+  "0 backslash [  ' ] \\"\\"",
+  "0 backslash [  \\' ] \\"\\"",
+  "1 backslash [ \\\\' ] \\"\\"",
+  "1 backslash [ \\\\\\' ] \\"\\"",
+
+  // Other charectors
+  "\\\\'\\"\\" [ \\    ]",
+  "\\\\'\\"\\" [ \\\\   ]",
+  "\\\\'\\"\\" [ \\\\\\  ]",
+  "\\\\'\\"\\" [ \\\\\\\\ ]",
+  "\\\\'\\"\\" [ \\n    ]",
+  "\\\\'\\"\\" [ \\\\n   ]",
+  "\\\\'\\"\\" [ \\\\\\n  ]",
+  "\\\\'\\"\\" [ \\\\\\\\n ]",
+]);
+
+=====================================output=====================================
+console.log([
+  // 18351
+  'A descriptor\\\\\\'s .kind must be "method" or "field".',
+
+  // Will switch to single quote
+  '0 backslash [  \\' ] ""',
+  '0 backslash [  \\' ] ""',
+  '1 backslash [ \\\\\\' ] ""',
+  '1 backslash [ \\\\\\' ] ""',
+
+  // Other charectors
+  '\\\\\\'"" [ \\    ]',
+  '\\\\\\'"" [ \\\\   ]',
+  '\\\\\\'"" [ \\\\\\  ]',
+  '\\\\\\'"" [ \\\\\\\\ ]',
+  '\\\\\\'"" [ \\n    ]',
+  '\\\\\\'"" [ \\\\n   ]',
+  '\\\\\\'"" [ \\\\\\n  ]',
+  '\\\\\\'"" [ \\\\\\\\n ]',
+]);
+
+================================================================================
+`;
diff --git a/tests/format/js/quotes/switch-quote/format.test.js b/tests/format/js/quotes/switch-quote/format.test.js
new file mode 100644
index 000000000..8adc66f60
--- /dev/null
+++ b/tests/format/js/quotes/switch-quote/format.test.js
@@ -0,0 +1 @@
+runFormatTest(import.meta, ["babel", "typescript", "flow"]);
diff --git a/tests/format/js/quotes/switch-quote/switch-quote.js b/tests/format/js/quotes/switch-quote/switch-quote.js
new file mode 100644
index 000000000..e359fa2c9
--- /dev/null
+++ b/tests/format/js/quotes/switch-quote/switch-quote.js
@@ -0,0 +1,20 @@
+console.log([
+  // 18351
+  "A descriptor\\'s .kind must be \"method\" or \"field\".",
+
+  // Will switch to single quote
+  "0 backslash [  ' ] \"\"",
+  "0 backslash [  \' ] \"\"",
+  "1 backslash [ \\' ] \"\"",
+  "1 backslash [ \\\' ] \"\"",
+
+  // Other charectors
+  "\\'\"\" [ \    ]",
+  "\\'\"\" [ \\   ]",
+  "\\'\"\" [ \\\  ]",
+  "\\'\"\" [ \\\\ ]",
+  "\\'\"\" [ \n    ]",
+  "\\'\"\" [ \\n   ]",
+  "\\'\"\" [ \\\n  ]",
+  "\\'\"\" [ \\\\n ]",
+]);
diff --git a/tests/integration/__tests__/util-shared.js b/tests/integration/__tests__/util-shared.js
index 5cf9f7aaa..3cb6eaf08 100644
--- a/tests/integration/__tests__/util-shared.js
+++ b/tests/integration/__tests__/util-shared.js
@@ -225,6 +225,39 @@ test("sharedUtil.makeString", () => {
   expect(makeString(`a${DOUBLE_QUOTE}`, SINGLE_QUOTE)).toBe(
     `${SINGLE_QUOTE}a${DOUBLE_QUOTE}${SINGLE_QUOTE}`,
   );
+  expect(makeString(`a${DOUBLE_QUOTE}`, DOUBLE_QUOTE)).toBe(
+    `${DOUBLE_QUOTE}a\\${DOUBLE_QUOTE}${DOUBLE_QUOTE}`,
+  );
+
+  expect(makeString(`a\\${DOUBLE_QUOTE}\\${SINGLE_QUOTE}`, DOUBLE_QUOTE)).toBe(
+    `${DOUBLE_QUOTE}a\\${DOUBLE_QUOTE}${SINGLE_QUOTE}${DOUBLE_QUOTE}`,
+  );
+  expect(makeString(`a\\${DOUBLE_QUOTE}\\${SINGLE_QUOTE}`, SINGLE_QUOTE)).toBe(
+    `${SINGLE_QUOTE}a${DOUBLE_QUOTE}\\${SINGLE_QUOTE}${SINGLE_QUOTE}`,
+  );
+
+  expect(
+    makeString(`a\\\\${DOUBLE_QUOTE}\\\\${SINGLE_QUOTE}`, DOUBLE_QUOTE),
+  ).toBe(
+    `${DOUBLE_QUOTE}a\\\\\\${DOUBLE_QUOTE}\\\\${SINGLE_QUOTE}${DOUBLE_QUOTE}`,
+  );
+  expect(
+    makeString(`a\\\\${DOUBLE_QUOTE}\\\\${SINGLE_QUOTE}`, SINGLE_QUOTE),
+  ).toBe(
+    `${SINGLE_QUOTE}a\\\\${DOUBLE_QUOTE}\\\\\\${SINGLE_QUOTE}${SINGLE_QUOTE}`,
+  );
+
+  expect(
+    makeString(`a\\\\\\${DOUBLE_QUOTE}\\\\\\${SINGLE_QUOTE}`, DOUBLE_QUOTE),
+  ).toBe(
+    `${DOUBLE_QUOTE}a\\\\\\${DOUBLE_QUOTE}\\\\${SINGLE_QUOTE}${DOUBLE_QUOTE}`,
+  );
+  expect(
+    makeString(`a\\\\\\${DOUBLE_QUOTE}\\\\\\${SINGLE_QUOTE}`, SINGLE_QUOTE),
+  ).toBe(
+    `${SINGLE_QUOTE}a\\\\${DOUBLE_QUOTE}\\\\\\${SINGLE_QUOTE}${SINGLE_QUOTE}`,
+  );
+
   expect(
     makeString(
       String.raw`\a`,
diff --git a/tests/unit/make-string.js b/tests/unit/make-string.js
new file mode 100644
index 000000000..b8f04bf66
--- /dev/null
+++ b/tests/unit/make-string.js
@@ -0,0 +1,52 @@
+import makeString from "../../src/utils/make-string.js";
+
+const DOUBLE_QUOTE = '"';
+const SINGLE_QUOTE = "'";
+
+test("makeString", () => {
+  expect(makeString("a", DOUBLE_QUOTE)).toBe(`${DOUBLE_QUOTE}a${DOUBLE_QUOTE}`);
+  expect(makeString("a", SINGLE_QUOTE)).toBe(`${SINGLE_QUOTE}a${SINGLE_QUOTE}`);
+  expect(makeString(`a${DOUBLE_QUOTE}`, DOUBLE_QUOTE)).toBe(
+    `${DOUBLE_QUOTE}a\\${DOUBLE_QUOTE}${DOUBLE_QUOTE}`,
+  );
+  expect(makeString(`a${DOUBLE_QUOTE}`, SINGLE_QUOTE)).toBe(
+    `${SINGLE_QUOTE}a${DOUBLE_QUOTE}${SINGLE_QUOTE}`,
+  );
+  expect(makeString(`a${DOUBLE_QUOTE}`, DOUBLE_QUOTE)).toBe(
+    `${DOUBLE_QUOTE}a\\${DOUBLE_QUOTE}${DOUBLE_QUOTE}`,
+  );
+
+  expect(makeString(`a\\${DOUBLE_QUOTE}\\${SINGLE_QUOTE}`, DOUBLE_QUOTE)).toBe(
+    `${DOUBLE_QUOTE}a\\${DOUBLE_QUOTE}${SINGLE_QUOTE}${DOUBLE_QUOTE}`,
+  );
+  expect(makeString(`a\\${DOUBLE_QUOTE}\\${SINGLE_QUOTE}`, SINGLE_QUOTE)).toBe(
+    `${SINGLE_QUOTE}a${DOUBLE_QUOTE}\\${SINGLE_QUOTE}${SINGLE_QUOTE}`,
+  );
+
+  expect(
+    makeString(`a\\\\${DOUBLE_QUOTE}\\\\${SINGLE_QUOTE}`, DOUBLE_QUOTE),
+  ).toBe(
+    `${DOUBLE_QUOTE}a\\\\\\${DOUBLE_QUOTE}\\\\${SINGLE_QUOTE}${DOUBLE_QUOTE}`,
+  );
+  expect(
+    makeString(`a\\\\${DOUBLE_QUOTE}\\\\${SINGLE_QUOTE}`, SINGLE_QUOTE),
+  ).toBe(
+    `${SINGLE_QUOTE}a\\\\${DOUBLE_QUOTE}\\\\\\${SINGLE_QUOTE}${SINGLE_QUOTE}`,
+  );
+
+  expect(
+    makeString(`a\\\\\\${DOUBLE_QUOTE}\\\\\\${SINGLE_QUOTE}`, DOUBLE_QUOTE),
+  ).toBe(
+    `${DOUBLE_QUOTE}a\\\\\\${DOUBLE_QUOTE}\\\\${SINGLE_QUOTE}${DOUBLE_QUOTE}`,
+  );
+  expect(
+    makeString(`a\\\\\\${DOUBLE_QUOTE}\\\\\\${SINGLE_QUOTE}`, SINGLE_QUOTE),
+  ).toBe(
+    `${SINGLE_QUOTE}a\\\\${DOUBLE_QUOTE}\\\\\\${SINGLE_QUOTE}${SINGLE_QUOTE}`,
+  );
+
+  // Do not unescape `\a`
+  expect(makeString(String.raw`\a`, SINGLE_QUOTE)).toBe(
+    String.raw`${SINGLE_QUOTE}\a${SINGLE_QUOTE}`,
+  );
+});