diff --git a/.github/workflows/plan-release.yml b/.github/workflows/plan-release.yml
index 642e179..2589029 100644
--- a/.github/workflows/plan-release.yml
+++ b/.github/workflows/plan-release.yml
@@ -64,7 +64,7 @@ jobs:
         run: |
           set +e
 
-          pnpm release-plan prepare --single-package=@bertdeblock/gember 2> >(tee -a stderr.log >&2)
+          pnpm release-plan prepare --singlePackage=@bertdeblock/gember 2> >(tee -a stderr.log >&2)
 
 
           if [ $? -ne 0 ]; then