diff --git a/content/_index.md b/content/_index.md
index 30532e3..a6161ae 100644
--- a/content/_index.md
+++ b/content/_index.md
@@ -64,6 +64,7 @@ if (( ${#non_ok[@]} != 0 )); then
     >&2 echo "  From which, these are missing:"
     >&2 echo "  > $non_ok"
     >&2 echo "Make sure that those are installed and are present in \$PATH."
+    exit 1
 fi
 
 unset non_ok
@@ -75,4 +76,4 @@ curl https://url.com
 
 ---
 
-[website's source code available here](https://git.blek.codes/blek/bshchk.web)
\ No newline at end of file
+[website's source code available here](https://git.blek.codes/blek/bshchk.web)