diff --git a/.github/workflows/osrm-backend.yml b/.github/workflows/osrm-backend.yml
index e39b9ff71..40588ce2c 100644
--- a/.github/workflows/osrm-backend.yml
+++ b/.github/workflows/osrm-backend.yml
@@ -221,7 +221,7 @@ jobs:
             CCOMPILER: gcc-12
             CXXCOMPILER: g++-12
             ENABLE_BENCHMARKS: ON
-            CXXFLAGS: -Wno-array-bounds
+            CXXFLAGS: '-Wno-array-bounds -Wno-uninitialized'
 
           # - name: gcc-11-release
           #   continue-on-error: false