diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index eb2a042..e4e8228 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -63,6 +63,11 @@ jobs:
           OWNER="${GITHUB_REPOSITORY_OWNER}"
           REGISTRY="https://${HOST}/api/packages/${OWNER}/npm"
 
+          if [ -z "$G_TOKEN" ]; then
+            echo "ERROR: GITEA_TOKEN is empty!" >&2
+            exit 1
+          fi
+
           npm config set "//${HOST}/api/packages/${OWNER}/npm/:_authToken" "${G_TOKEN}"
           npm config set registry "${REGISTRY}"