diff --git a/.github/workflows/packages-rc.yml b/.github/workflows/packages-rc.yml
index 43aab3cd..9b79e803 100644
--- a/.github/workflows/packages-rc.yml
+++ b/.github/workflows/packages-rc.yml
@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check branch
-        if: !endsWith(github.ref, 'mainnet-beta')
+        if: endsWith(github.ref, 'mainnet-beta') == false
         run: exit -1
 
       - name: Checkout