diff --git a/indra/cmake/00-Common.cmake b/indra/cmake/00-Common.cmake
index ec076837f4b5f995ad891c2aad834700c3d9c7d1..eb0eff2f544498cee4be2d40c54a30a53f2cd50d 100755
--- a/indra/cmake/00-Common.cmake
+++ b/indra/cmake/00-Common.cmake
@@ -209,7 +209,7 @@ if (LINUX OR DARWIN)
   endif (CMAKE_CXX_COMPILER MATCHES ".*clang")
 
   if (CMAKE_COMPILER_IS_GNUCXX)
-  set(GCC_WARNINGS "-Wall -Wno-trigraphs")
+    set(GCC_WARNINGS "-Wall -Wno-sign-compare -Wno-trigraphs")
   elseif (CMAKE_COMPILER_IS_CLANGXX)
     set(GCC_WARNINGS "-Wall -Wno-sign-compare -Wno-trigraphs")
   endif()