diff --git a/lib/coffeescript/coffeescript.js b/lib/coffeescript/coffeescript.js
index 095f8fe7ba..ed80038732 100644
--- a/lib/coffeescript/coffeescript.js
+++ b/lib/coffeescript/coffeescript.js
@@ -201,7 +201,7 @@
       encoded = base64encode(JSON.stringify(v3SourceMap));
       sourceMapDataURI = `//# sourceMappingURL=data:application/json;base64,${encoded}`;
       sourceURL = `//# sourceURL=${filename}`;
-      js = `${js}\n${sourceMapDataURI}\n${sourceURL}`;
+      js = `${js}\n${sourceURL}\n${sourceMapDataURI}\n`;
     }
     registerCompiled(filename, code, map);
     if (options.sourceMap) {
diff --git a/src/coffeescript.coffee b/src/coffeescript.coffee
index 46f3be04d7..960b50d0ca 100644
--- a/src/coffeescript.coffee
+++ b/src/coffeescript.coffee
@@ -166,7 +166,7 @@ exports.compile = compile = withPrettyErrors (code, options = {}) ->
     encoded = base64encode JSON.stringify v3SourceMap
     sourceMapDataURI = "//# sourceMappingURL=data:application/json;base64,#{encoded}"
     sourceURL = "//# sourceURL=#{filename}"
-    js = "#{js}\n#{sourceMapDataURI}\n#{sourceURL}"
+    js = "#{js}\n#{sourceURL}\n#{sourceMapDataURI}\n"
 
   registerCompiled filename, code, map