diff --git a/src/lisp/Config.x86_linux b/src/lisp/Config.x86_linux
index 213e42cc90ca2fd3b08419ca21a91c5f5942fc03..cba5ec66635ea882ab10287f9a0c1b1995c05188 100644
--- a/src/lisp/Config.x86_linux
+++ b/src/lisp/Config.x86_linux
@@ -1,7 +1,7 @@
 # -*- Mode: makefile -*-
 include Config.x86_common
 
-CPPFLAGS += -m32 -rdynamic -D__NO_CTYPE -D_GNU_SOURCE -march=pentium4 -mfpmath=sse -msse2
+CPPFLAGS += -m32 -rdynamic -D__NO_CTYPE -D_GNU_SOURCE -march=pentium4 -mfpmath=sse
 
 UNDEFSYMPATTERN = -Xlinker -u -Xlinker &
 ASSEM_SRC +=  linux-stubs.S