diff --git a/src/cpu/x86/smm/smmhandler.S b/src/cpu/x86/smm/smmhandler.S
index 3dd0b14c5a..450aa538f8 100644
--- a/src/cpu/x86/smm/smmhandler.S
+++ b/src/cpu/x86/smm/smmhandler.S
@@ -83,6 +83,7 @@ smm_handler_start:
 	andl    $0x7FFAFFD1, %eax /* PG,AM,WP,NE,TS,EM,MP = 0 */
 	orl     $0x60000001, %eax /* CD, NW, PE = 1 */
 	movl    %eax, %cr0
+	wbinvd
 
 	/* Enable protected mode */
 	data32  ljmp    $0x08, $1f