diff --git a/fedorize_image b/fedorize_image
index 99d01cd..fd3d830 100755
--- a/fedorize_image
+++ b/fedorize_image
@@ -41,6 +41,6 @@ fi
 
 PKGGROUPS=$(cat $PKGLISTFILE)
 echo "-> Installing package groups..."
-yum install --installroot=$INSTALLDIR $PKGGROUPS
+yum install -y --installroot=$INSTALLDIR $PKGGROUPS
 
 umount mnt