diff --git a/.github/workflows/env.sh b/.github/workflows/env.sh
index 84f26f949e..d038c4b607 100755
--- a/.github/workflows/env.sh
+++ b/.github/workflows/env.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 set -e -u
 
-FLAVOR=$1
+FLAVOR=${1:-}
 
 cat <<EOF >> "$GITHUB_PATH"
 $HOME/.local/bin