diff --git a/scripts/compress.sh b/scripts/compress.sh
index 0b4aeae843cbba45273c9edd42d91f4885cd34e9..260d07393703160fcfd34f004ceeca19bba0350c 100755
--- a/scripts/compress.sh
+++ b/scripts/compress.sh
@@ -4,7 +4,13 @@ cd $(dirname "$0")/..
 
 UGLIFY=`which uglifyjs 2> /dev/null`
 if [ ! -x "$UGLIFY" ]; then
-    echo "uglifyjs not found in your path.  can't create production resources.  disaster."
+    echo "uglifyjs not found in your path.  Have you npm installed lately?"
+    exit 1
+fi
+
+UGLIFYCSS=`which uglifycss 2> /dev/null`
+if [ ! -x "$UGLIFY" ]; then
+    echo "uglifycss not found in your path.  Have you npm installed lately?"
     exit 1
 fi