diff --git a/src/lisp/Config.x86_common b/src/lisp/Config.x86_common
index 1873f7d013e3fda2ad2312cf869063ef1a69ddb4..ad2b1a092ae6a3832ef0cbedcf89a1af22bd5946 100644
--- a/src/lisp/Config.x86_common
+++ b/src/lisp/Config.x86_common
@@ -54,7 +54,7 @@ CPP_INCLUDE_OPTIONS := -I. -I$(PATH1) -I-
 endif
 
 CPPFLAGS := $(CPP_DEFINE_OPTIONS) $(CPP_INCLUDE_OPTIONS) 
-CFLAGS += -Wstrict-prototypes -Wall -O2 -g
+CFLAGS += -Wstrict-prototypes -Wall -O2 -g -mtune=generic
 ASFLAGS = -g 
 
 ASSEM_SRC = x86-assem.S