diff --git a/tests/build_debug.sh b/tests/build_debug.sh
index 202ae7a9..b89f3145 100755
--- a/tests/build_debug.sh
+++ b/tests/build_debug.sh
@@ -2,8 +2,9 @@ cd
 mkdir -p build/netgen
 cd build/netgen
 cmake \
+    -DCMAKE_CXX_FLAGS="-Og -Wall -Wno-sign-compare -DDebug" \
     -DUSE_CCACHE=ON \
-    -DBUILD_TYPE=DEBUG \
+    -DCMAKE_BUILD_TYPE=DEBUG \
     -DENABLE_UNIT_TESTS=ON \
     -DUSE_OCC=ON \
     -DCHECK_RANGE=ON \