diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index adda1a6..28f3faf 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -22,6 +22,8 @@ jobs:
         run: cmake --build . --config ${{ matrix.type }}
       - name: Test ASAN
         run: ctest -C ${{ matrix.type }} --output-on-failure
+        env:          
+          UBSAN_OPTIONS: halt_on_error=1
       - name: Configure TSAN
         run: cmake . -DCMAKE_BUILD_TYPE=${{ matrix.type }} -DITLIB_ASAN=0 -DITLIB_TSAN=1
       - name: Build TSAN