diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 13b3ad6e..fd8e89a6 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -25,7 +25,7 @@ jobs:
     - name: prerequisites
       run: sudo apt update && sudo apt install build-essential qt6-base-dev qt6-tools-dev qt6-tools-dev-tools qt6-l10n-tools linguist-qt6 libgl1-mesa-dev
     - name: cmake
-      run: mkdir cbuild; cmake ..
+      run: mkdir cbuild; cd cbuild; cmake ..
     - name: make
       run: cd cbuild; make