diff --git a/examples/osguserdata/CMakeLists.txt b/examples/osguserdata/CMakeLists.txt
index 0cf0f1203..1e0339aae 100644
--- a/examples/osguserdata/CMakeLists.txt
+++ b/examples/osguserdata/CMakeLists.txt
@@ -1,4 +1,14 @@
 SET(TARGET_SRC osguserdata.cpp)
 
+
+################################################################################
+## Quieten warnings that a due to optional code paths
+
+IF(CMAKE_COMPILER_IS_GNUCXX)
+    # Remove -Wextra flag as it barfs on ffmoeg headers
+   STRING(REGEX REPLACE "-Wextra" "" CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS}")
+ENDIF()
+
+
 #### end var setup  ###
 SETUP_EXAMPLE(osguserdata)