diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index a5dd1503..a24e9c94 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -45,7 +45,7 @@ jobs:
       - name: Run cppcheck
         shell: bash
         run: |
-          cppcheck --error-exitcode=1 -q -U_WIN32 -Isrc opl setup textscreen
+          cppcheck --error-exitcode=1 -q -U_WIN32 -Isrc opl src setup textscreen
 
   win64_msys2:
     runs-on: windows-latest