diff --git a/install.sh b/install.sh
index 7a40242..e19a94c 100755
--- a/install.sh
+++ b/install.sh
@@ -54,7 +54,7 @@ function execute_miaou_lib {
 function assert_bash {
   if [[ $SHELL != bash ]]; then
     >&2 echo "you are running on SHELL=$SHELL. Bash expected!"
-    exit 98
+    return 98
   fi
 }