diff --git a/.gitignore b/.gitignore
index 0175742da2..28652657a5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,8 +1,8 @@
 /bin/plovr*.jar
 /build/ol.js
 /build/ol-compiled.js
+/build/proj4js-combined.js
 /demos/*/advanced-optimizations.*
 /demos/*/build.html
 /demos/*/debug.html
 /demos/*/simple-optimizations.*
-/proj4js-combined.js
diff --git a/demos/proj4js/index.html.in b/demos/proj4js/index.html.in
index 5239fee524..11dbe2f521 100644
--- a/demos/proj4js/index.html.in
+++ b/demos/proj4js/index.html.in
@@ -1,7 +1,7 @@
 <!doctype html>
 <html>
     <head>
-        <script src="../../proj4js-combined.js" type="text/javascript"></script>
+        <script src="../../build/proj4js-combined.js" type="text/javascript"></script>
         <script src="@SRC@" type="text/javascript"></script>
         <title>ol3 proj4js demo</title>
     </head>
