diff --git a/.github/workflows/ubuntu-build.yml b/.github/workflows/ubuntu-build.yml
index a9fa8fbb..193f48df 100644
--- a/.github/workflows/ubuntu-build.yml
+++ b/.github/workflows/ubuntu-build.yml
@@ -85,9 +85,9 @@ jobs:
           cd main
           mkdir build
           cmake -DCMAKE_EXPORT_COMPILE_COMMANDS=ON -DBUILD_SAMPLES=OFF -DBUILD_TESTS=ON -DOPENGL_SHADER_OUTPUT=ON -S . -B build
-          ../iwyu/build/bin/iwyu_tool.py -p .
           cd build
           make
+          ../iwyu/build/bin/iwyu_tool.py -p .
       - name: test
         continue-on-error: true
         run: |