diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6b30fb0a4..a9baffe64 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -125,7 +125,7 @@ configure_file(${CMAKE_SOURCE_DIR}/etc/upstart/maxscale.conf.in ${CMAKE_BINARY_D
 configure_file(${CMAKE_SOURCE_DIR}/test/maxscale_test.cnf ${CMAKE_BINARY_DIR}/maxscale.cnf @ONLY)
 configure_file(${CMAKE_SOURCE_DIR}/test/maxscale_test_secondary.cnf ${CMAKE_BINARY_DIR}/maxscale_secondary.cnf @ONLY)
 
-set(FLAGS "-rdynamic -fno-omit-frame-pointer -Wall -Wno-unused-variable -Wno-unused-function -Werror -fPIC" CACHE STRING "Compilation flags")
+set(FLAGS "-rdynamic -fno-omit-frame-pointer -Wall -Wno-unused-variable -Wno-unused-function -Wno-unused-result -Werror -fPIC" CACHE STRING "Compilation flags")
 set(DEBUG_FLAGS "-ggdb -pthread -pipe -Wformat -fstack-protector --param=ssp-buffer-size=4" CACHE STRING "Debug compilation flags")
 
 if(CMAKE_VERSION VERSION_GREATER 2.6)