diff --git a/cmake/EnableCompilerWarnings.cmake b/cmake/EnableCompilerWarnings.cmake
index f34bca69f4..87cb8cdf11 100644
--- a/cmake/EnableCompilerWarnings.cmake
+++ b/cmake/EnableCompilerWarnings.cmake
@@ -66,7 +66,7 @@ else()
             -Wunreachable-code
             -Wunused
             -Wno-reserved-identifier
-	    # -Werror
+            -Werror
             -Wno-option-ignored
             -Wsign-compare
             -Wno-extra-semi-stmt