diff --git a/scripts/image b/scripts/image
index d54b8da917..5ad4738b41 100755
--- a/scripts/image
+++ b/scripts/image
@@ -35,8 +35,8 @@ export INSTALL=$BUILD/image/system
 BUILD_DATE=`date +%Y%m%d%H%M%S`
 
 if [ "$OPENELEC_VERSION" = devel -o "$OPENELEC_VERSION" = debug ]; then
-  GIT_BUILD=`git rev-list HEAD | wc -l`
-  GIT_HASH=`git rev-parse HEAD`
+  GIT_BUILD=$(git rev-list --count HEAD)
+  GIT_HASH=$(git rev-parse HEAD)
   OPENELEC_VERSION=$OPENELEC_VERSION-$BUILD_DATE-r$GIT_BUILD
 fi