diff --git a/test/plugin-add.sh b/test/plugin-add.sh
index e89079e40..ca0451235 100644
--- a/test/plugin-add.sh
+++ b/test/plugin-add.sh
@@ -10,7 +10,7 @@ PLUGIN=$4
 FOLDER=".build-$PLATFORM"
 cd $FOLDER
 
-CORDOVA_MAJOR_VERSION=`expr "$CORDOVA_VERSION" : '\\~\?\\^\?\([[:digit:]]\+\)'`
+CORDOVA_MAJOR_VERSION=`echo "$CORDOVA_VERSION" | sed -E "s/\~?\^?([[:digit:]]).*/\1/"`
 
 if [[ "$CORDOVA_MAJOR_VERSION" == "6" ]]; then
   FETCH_COMMAND="--fetch"