diff --git a/lib/coffee-script/coffee-script.js b/lib/coffee-script/coffee-script.js
index 28b855fc..4ffed345 100644
--- a/lib/coffee-script/coffee-script.js
+++ b/lib/coffee-script/coffee-script.js
@@ -74,7 +74,7 @@
     for (i = 0, len = fragments.length; i < len; i++) {
       fragment = fragments[i];
       if (options.sourceMap) {
-        if (fragment.locationData) {
+        if (fragment.locationData && !/^[;\s]*$/.test(fragment.code)) {
           map.add([fragment.locationData.first_line, fragment.locationData.first_column], [currentLine, currentColumn], {
             noReplace: true
           });