diff --git a/browser-extensions/chrome/build.sh b/browser-extensions/chrome/build.sh
index 5d3f54e7f..cb7fbe92e 100644
--- a/browser-extensions/chrome/build.sh
+++ b/browser-extensions/chrome/build.sh
@@ -20,7 +20,7 @@ checkOK() {
 BUILDDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 APPDIR="$BUILDDIR/copay-chrome-extension"
 ZIPFILE="copay-chrome-extension.zip"
-VERSION=`cut -d '"' -f2 $BUILDDIR/../../version.js`
+VERSION=`cut -d '"' -f2 $BUILDDIR/../../version.js|head -n 1`
 
 # Move to the build directory
 cd $BUILDDIR
diff --git a/browser-extensions/firefox/build.sh b/browser-extensions/firefox/build.sh
index 138c59e0a..6c9867c78 100644
--- a/browser-extensions/firefox/build.sh
+++ b/browser-extensions/firefox/build.sh
@@ -20,7 +20,7 @@ checkOK() {
 BUILDDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 APPDIR="$BUILDDIR/firefox-addon"
 ZIPFILE="copay-firefox-addon.zip"
-VERSION=`cut -d '"' -f2 $BUILDDIR/../../version.js`
+VERSION=`cut -d '"' -f2 $BUILDDIR/../../version.js|head -n 1`
 
 
 cfx >/dev/null