diff --git a/.github/workflows/mapbase_build-base-dispatch.yml b/.github/workflows/mapbase_build-base-dispatch.yml
index d29e30d5..d89d151e 100644
--- a/.github/workflows/mapbase_build-base-dispatch.yml
+++ b/.github/workflows/mapbase_build-base-dispatch.yml
@@ -67,4 +67,4 @@ jobs:
       game: '${{ github.event.inputs.game }}'
       project-group: '${{ github.event.inputs.project-group }}'
       solution-name: '${{ github.event.inputs.solution-name }}'
-      build-on-linux: '${{ github.event.inputs.build-on-linux }}'
+      build-on-linux: "${{ github.event.inputs.build-on-linux == 'true' }}"