diff --git a/templates/example-nginx/uninstall.sh b/templates/example-nginx/uninstall.sh
index 3477b6f..b469139 100644
--- a/templates/example-nginx/uninstall.sh
+++ b/templates/example-nginx/uninstall.sh
@@ -9,6 +9,8 @@ source "$(dirname "$0")/_common.sh"
 check_required_env_vars "CONTAINER_NAME" "IMAGE_REGISTRY" "IMAGE_REPO" "IMAGE_TAG"
 
 _remove_container $CONTAINER_NAME || die "Failed to remove container ${CONTAINER_NAME}"
+_is_container_running || die "Couldn't stop existing container"
+_is_container_exists || die "Couldn't remove existing container"
 
 # remove the image
 docker rmi "$IMAGE_REGISTRY/$IMAGE_REPO:$IMAGE_TAG" || echo "Failed to remove image $IMAGE_REGISTRY/$IMAGE_REPO:$IMAGE_TAG"