diff --git a/CMakeLists.txt b/CMakeLists.txt
index 2e5a866500..b025de11ef 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -102,7 +102,7 @@ if(NOT MSVC)
 endif(NOT MSVC)
 
 # gcc uses some optimizations which might break stuff without this flag
-add_definitions(-fno-strict-aliasing -fno-exceptions)
+add_definitions(-fno-strict-aliasing -fno-exceptions -Wno-psabi)
 
 include(CheckCXXCompilerFlag)