diff --git a/Makefile b/Makefile
index eb77866..00d2e54 100644
--- a/Makefile
+++ b/Makefile
@@ -49,7 +49,7 @@ $(DHCP6RELAY_TEST_TARGET): $(TEST_OBJS)
 	$(CXX) $(LDFLAGS) $^ $(LDLIBS) $(LDLIBS_TEST) -o $@
 
 test: $(DHCP6RELAY_TEST_TARGET)
-	sudo ASAN_OPTIONS=detect_leaks=0 ./$(DHCP6RELAY_TEST_TARGET) --gtest_output=xml:$(DHCP6RELAY_TEST_TARGET)-test-result.xml || true
+	sudo ASAN_OPTIONS=detect_leaks=0 ./$(DHCP6RELAY_TEST_TARGET) --gtest_output=xml:$(DHCP6RELAY_TEST_TARGET)-test-result.xml || { echo 'Tests failed'; exit 1; }
 	$(GCOVR) -r ./ --html --html-details -o $(DHCP6RELAY_TEST_TARGET)-code-coverage.html
 	$(GCOVR) -r ./ --xml-pretty -o $(DHCP6RELAY_TEST_TARGET)-code-coverage.xml