diff --git a/src/language-markdown/printer-markdown.js b/src/language-markdown/printer-markdown.js
index 497eb349d..9a0fb218c 100644
--- a/src/language-markdown/printer-markdown.js
+++ b/src/language-markdown/printer-markdown.js
@@ -284,7 +284,7 @@ function genericPrint(path, options, print) {
     case "imageReference":
       switch (node.referenceType) {
         case "full":
-          return concat(["![", node.alt, "][", node.identifier, "]"]);
+          return concat(["![", node.alt || "", "][", node.identifier, "]"]);
         default:
           return concat([
             "![",
diff --git a/tests/markdown_imageReference/__snapshots__/jsfmt.spec.js.snap b/tests/markdown_imageReference/__snapshots__/jsfmt.spec.js.snap
index 399f3c8a0..8dc23177f 100644
--- a/tests/markdown_imageReference/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/markdown_imageReference/__snapshots__/jsfmt.spec.js.snap
@@ -14,6 +14,13 @@ exports[`full.md 1`] = `
 
 `;
 
+exports[`full-no-alt.md 1`] = `
+![][world]
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+![][world]
+
+`;
+
 exports[`shortcut.md 1`] = `
 ![hello]
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
diff --git a/tests/markdown_imageReference/full-no-alt.md b/tests/markdown_imageReference/full-no-alt.md
new file mode 100644
index 000000000..140233b65
--- /dev/null
+++ b/tests/markdown_imageReference/full-no-alt.md
@@ -0,0 +1 @@
+![][world]