diff --git a/physx/source/compiler/cmake/android/CMakeLists.txt b/physx/source/compiler/cmake/android/CMakeLists.txt
index 06e0d98..2e5454d 100644
--- a/physx/source/compiler/cmake/android/CMakeLists.txt
+++ b/physx/source/compiler/cmake/android/CMakeLists.txt
@@ -52,6 +52,8 @@ SET(PHYSX_CXX_FLAGS_RELEASE "-O3 -g" CACHE INTERNAL "PhysX Release CXX Flags")
 
 
 # These flags are local to the directory the CMakeLists.txt is in
+string(REPLACE " -Werror " " " PHYSX_CXX_FLAGS "${PHYSX_CXX_FLAGS}")
+set(PHYSX_CXX_FLAGS "${PHYSX_CXX_FLAGS}" CACHE INTERNAL "PhysX CXX")
 SET(CMAKE_CXX_FLAGS ${PHYSX_CXX_FLAGS})
 
 SET(CMAKE_CXX_FLAGS_DEBUG   ${PHYSX_CXX_FLAGS_DEBUG})
diff --git a/physx/source/compiler/cmake/ios/CMakeLists.txt b/physx/source/compiler/cmake/ios/CMakeLists.txt
index 5605e9a..b40500b 100644
--- a/physx/source/compiler/cmake/ios/CMakeLists.txt
+++ b/physx/source/compiler/cmake/ios/CMakeLists.txt
@@ -39,6 +39,8 @@ SET(PHYSX_CXX_FLAGS_PROFILE "-O3 -g" CACHE INTERNAL "PhysX Profile CXX Flags")
 SET(PHYSX_CXX_FLAGS_RELEASE "-O3 -g" CACHE INTERNAL "PhysX Release CXX Flags")
 
 # These flags are local to the directory the CMakeLists.txt is in
+string(REPLACE " -Werror " " " PHYSX_CXX_FLAGS "${PHYSX_CXX_FLAGS}")
+set(PHYSX_CXX_FLAGS "${PHYSX_CXX_FLAGS}" CACHE INTERNAL "PhysX CXX")
 SET(CMAKE_CXX_FLAGS ${PHYSX_CXX_FLAGS})
 
 SET(CMAKE_CXX_FLAGS_DEBUG   ${PHYSX_CXX_FLAGS_DEBUG})
diff --git a/physx/source/compiler/cmake/linux/CMakeLists.txt b/physx/source/compiler/cmake/linux/CMakeLists.txt
index aba5336..fd5f813 100644
--- a/physx/source/compiler/cmake/linux/CMakeLists.txt
+++ b/physx/source/compiler/cmake/linux/CMakeLists.txt
@@ -45,6 +45,8 @@ SET(PHYSX_CXX_FLAGS_PROFILE "-O3" CACHE INTERNAL "PhysX Profile CXX Flags")
 SET(PHYSX_CXX_FLAGS_RELEASE "-O3" CACHE INTERNAL "PhysX Release CXX Flags")
 
 # These flags are local to the directory the CMakeLists.txt is in, so don't get carried over to OTHER CMakeLists.txt (thus the CACHE variables above)
+string(REPLACE " -Werror " " " PHYSX_CXX_FLAGS "${PHYSX_CXX_FLAGS}")
+set(PHYSX_CXX_FLAGS "${PHYSX_CXX_FLAGS}" CACHE INTERNAL "PhysX CXX")
 SET(CMAKE_CXX_FLAGS ${PHYSX_CXX_FLAGS})
 
 SET(CMAKE_CXX_FLAGS_DEBUG   ${PHYSX_CXX_FLAGS_DEBUG})
diff --git a/physx/source/compiler/cmake/mac/CMakeLists.txt b/physx/source/compiler/cmake/mac/CMakeLists.txt
index bfd1357..cffb090 100644
--- a/physx/source/compiler/cmake/mac/CMakeLists.txt
+++ b/physx/source/compiler/cmake/mac/CMakeLists.txt
@@ -49,6 +49,8 @@ SET(PHYSX_CXX_FLAGS_PROFILE "-O3 -g" CACHE INTERNAL "PhysX Profile CXX Flags")
 SET(PHYSX_CXX_FLAGS_RELEASE "-O3 -g" CACHE INTERNAL "PhysX Release CXX Flags")
 
 # These flags are local to the directory the CMakeLists.txt is in
+string(REPLACE " -Werror " " " PHYSX_CXX_FLAGS "${PHYSX_CXX_FLAGS}")
+set(PHYSX_CXX_FLAGS "${PHYSX_CXX_FLAGS}" CACHE INTERNAL "PhysX CXX")
 SET(CMAKE_CXX_FLAGS ${PHYSX_CXX_FLAGS})
 
 SET(CMAKE_CXX_FLAGS_DEBUG   ${PHYSX_CXX_FLAGS_DEBUG})