diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 10353e77..3bd5c3d9 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -42,7 +42,7 @@ jobs:
         id: split
         with:
           msg: ${{ matrix.board }}
-          separator: ':'
+          seperator: ':'
       
       - name: Install platform
         if: ${{ env.run-build == 'true' }}