diff --git a/.gitea/workflows/pull_request.yaml b/.gitea/workflows/pull_request.yaml
index fdb0c52..d2c5792 100644
--- a/.gitea/workflows/pull_request.yaml
+++ b/.gitea/workflows/pull_request.yaml
@@ -82,3 +82,19 @@ jobs:
       - name: Check for untranslated messages
         run: |
           flutter pub run intl_utils:generate --output-dir=lib/l10n --no-use-deferred-loading
+
+          UNTRANSLATED_FILE=lib/l10n/untranslated_messages.json
+          if [ ! -f "$UNTRANSLATED_FILE" ]; then
+            echo "Expected $UNTRANSLATED_FILE to be generated, but it does not exist."
+            exit 1
+          fi
+
+          CONTENT=$(tr -d '[:space:]' < "$UNTRANSLATED_FILE")
+          if [ "$CONTENT" != "{}" ]; then
+            echo "Found untranslated messages:"
+            cat "$UNTRANSLATED_FILE"
+            exit 1
+          fi
+
+          echo "All messages translated."
+