diff --git a/config/unix.mak b/config/unix.mak
index e3af578..927b0fc 100644
--- a/config/unix.mak
+++ b/config/unix.mak
@@ -55,7 +55,7 @@ LINK_SW		= -L
 ifeq ($(CFG),debug)
 OPTIMIZATION	= -g
 else
-OPTIMIZATION	= -O
+OPTIMIZATION	= 
 endif
 
 #