diff --git a/src/printer.js b/src/printer.js
index 0c87965ae..869b67c52 100644
--- a/src/printer.js
+++ b/src/printer.js
@@ -2741,7 +2741,8 @@ function genericPrintNoParens(path, options, print, args) {
       if (
         isURLCall &&
         (n.groups.length === 1 ||
-          (n.groups[0].type === "value-comma_group" &&
+          (n.groups.length > 0 &&
+            n.groups[0].type === "value-comma_group" &&
             n.groups[0].groups.length > 0 &&
             n.groups[0].groups[0].type === "value-word" &&
             n.groups[0].groups[0].value === "data"))
diff --git a/tests/css_inline_url/__snapshots__/jsfmt.spec.js.snap b/tests/css_inline_url/__snapshots__/jsfmt.spec.js.snap
index eaec4c15f..d56da5aab 100644
--- a/tests/css_inline_url/__snapshots__/jsfmt.spec.js.snap
+++ b/tests/css_inline_url/__snapshots__/jsfmt.spec.js.snap
@@ -1,5 +1,16 @@
 // Jest Snapshot v1, https://goo.gl/fbAQLP
 
+exports[`empty.css 1`] = `
+@font-face {
+  src: url();
+}
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+@font-face  {
+  src: url();
+}
+
+`;
+
 exports[`inline_url.css 1`] = `
 .breadItem {
   background-image: url('/images/product/simple_product_manager/breadcrumb/chevron_right.png');
diff --git a/tests/css_inline_url/empty.css b/tests/css_inline_url/empty.css
new file mode 100644
index 000000000..d67a16cf4
--- /dev/null
+++ b/tests/css_inline_url/empty.css
@@ -0,0 +1,3 @@
+@font-face {
+  src: url();
+}