diff --git a/.github/workflows/edm4hep.yaml b/.github/workflows/edm4hep.yaml
index 9bb4c5475..ded1c3f4d 100644
--- a/.github/workflows/edm4hep.yaml
+++ b/.github/workflows/edm4hep.yaml
@@ -65,7 +65,7 @@ jobs:
             cd $STARTDIR/edm4hep
             mkdir build && cd build
             cmake -DCMAKE_CXX_STANDARD=17 \
-              -DCMAKE_CXX_FLAGS=" -fdiagnostics-color=always -Werror " \
+              -DCMAKE_CXX_FLAGS=" -fdiagnostics-color=always " \
               -DUSE_EXTERNAL_CATCH2=ON \
               -G Ninja ..
             ninja -k0