diff --git a/.github/workflows/c-cpp.yml b/.github/workflows/c-cpp.yml
index 887655dbb..30663e032 100644
--- a/.github/workflows/c-cpp.yml
+++ b/.github/workflows/c-cpp.yml
@@ -19,7 +19,7 @@ jobs:
         sudo apt install grep
         ./bootstrap
     - name: README Debug
-      run: grep README configure.ac
+      run: grep README Makefile.am
     - name: configure
       run: ./configure
     - name: make