diff --git a/.github/workflows/githubci.yml b/.github/workflows/githubci.yml
index b132048..c778a2b 100644
--- a/.github/workflows/githubci.yml
+++ b/.github/workflows/githubci.yml
@@ -20,7 +20,7 @@ jobs:
       run: bash ci/actions_install.sh
 
     - name: test platforms
-      run: python3 ci/build_platform.py main_platforms trinket5v
+      run: python3 ci/build_platform.py main_platforms trinket_5v
 
     - name: clang
       run: python3 ci/run-clang-format.py -e "ci/*" -e "bin/*" -r .