diff --git a/config/optimize b/config/optimize
index 206a7ef1d9..f345fcddb0 100644
--- a/config/optimize
+++ b/config/optimize
@@ -1,5 +1,5 @@
 if [ "$OPTIMIZATIONS" = speed ];then
-  GCC_OPTIM="-O4"
+  GCC_OPTIM="-O3"
   LD_OPTIM=""
 fi