diff --git a/.github/workflows/release-on-comment.yml b/.github/workflows/release-on-comment.yml
index 7db96010b..fe62eb1cb 100644
--- a/.github/workflows/release-on-comment.yml
+++ b/.github/workflows/release-on-comment.yml
@@ -11,7 +11,7 @@ jobs:
   build:
     runs-on: ubuntu-latest
 
-    if: (github.event.comment && contains(github.event.comment.body, '@pytestbot please')) || (github.event.issue && contains(github.event.issue.body, '@pytestbot please'))
+    if: (github.event.comment && startsWith(github.event.comment.body, '@pytestbot please')) || (github.event.issue && !github.event.comment && startsWith(github.event.issue.body, '@pytestbot please'))
 
     steps:
     - uses: actions/checkout@v1