diff --git a/install-latest.sh b/install-latest.sh
index e397d916..efbb702c 100755
--- a/install-latest.sh
+++ b/install-latest.sh
@@ -147,11 +147,8 @@ else
     TOOLING_KEY_NAME="Exoscale Tooling <tooling@exoscale.ch>"
     TOOLING_KEY_FINGERPRINT="7100E8BFD6199CE0374CB7F003686F8CDE378D41"
 
-    GPG_KEY_LIST=$(gpg --list-keys 2>/dev/null)
-    GPG_TOOLING_KEY_MATCH=$(echo $GPG_KEY_LIST | grep $TOOLING_KEY_FINGERPRINT)
-
     # Check if the tooling key is available
-    if [ -n "$GPG_TOOLING_KEY_MATCH" ]; then
+    if gpg --list-keys | grep -q $TOOLING_KEY_FINGERPRINT; then
         # verity sig
         echo "the key is available"
         exit 1