diff --git a/CMakeLists.txt b/CMakeLists.txt
index 730ee1f37be8a42644976290bca68dbde38b6a0f..745e52f9009e7c737a0ae584e80263311f78ae63 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -42,6 +42,7 @@ if (ENABLE_CUSTOM_COMPILER_FLAGS)
         -fstack-protector-strong
         -Wcomma
         -Wdouble-promotion
+        -Wparentheses
         )
 endif()