diff --git a/k8s/scripts/sysbox-deploy-k8s.sh b/k8s/scripts/sysbox-deploy-k8s.sh
index 1711783..400452e 100755
--- a/k8s/scripts/sysbox-deploy-k8s.sh
+++ b/k8s/scripts/sysbox-deploy-k8s.sh
@@ -1041,7 +1041,8 @@ function main() {
 		die "invalid arguments"
 	fi
 
-	local is_gke=$(check_is_gke)
+	check_is_gke
+	local is_gke=$?
 
 	# Perform distro-specific adjustments.
 	do_distro_adjustments