diff --git a/.gitignore b/.gitignore
index 32f9ea7d7..6b1e54c64 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,6 +1,7 @@
 node_modules
 settings.json
 static/js/jquery.js
+static/js/prefixfree.js
 APIKEY.txt
 bin/abiword.exe
 bin/node.exe
@@ -8,4 +9,4 @@ etherpad-lite-win.zip
 var/dirty.db
 bin/convertSettings.json
 *~
-*.patch
\ No newline at end of file
+*.patch
diff --git a/bin/installDeps.sh b/bin/installDeps.sh
index ab976a66b..4892f3ebb 100755
--- a/bin/installDeps.sh
+++ b/bin/installDeps.sh
@@ -73,13 +73,13 @@ NEEDED_VERSION="1.0.4"
 if [ -f "static/js/prefixfree.js" ]; then
   VERSION=$(cat static/js/prefixfree.js | grep "PrefixFree" | grep -o "[0-9].[0-9].[0-9]");
   
-  if [ ${VERSION#v} = $NEEDED_VERSION ]; then
+  if [ $VERSION = $NEEDED_VERSION ]; then
     DOWNLOAD_PREFIXFREE="false"
   fi
 fi
 
 if [ $DOWNLOAD_PREFIXFREE = "true" ]; then
-  curl -lo static/js/prefixfree.js https://raw.github.com/LeaVerou/prefixfree/master/prefixfree.min.js || exit 1
+  curl -lo static/js/prefixfree.js https://raw.github.com/LeaVerou/prefixfree/master/prefixfree.js || exit 1
 fi
 
 #Remove all minified data to force node creating it new