diff --git a/src/southbridge/intel/i82801dx/smi.c b/src/southbridge/intel/i82801dx/smi.c
index e8b8ce7a62..71ef5fd8ee 100644
--- a/src/southbridge/intel/i82801dx/smi.c
+++ b/src/southbridge/intel/i82801dx/smi.c
@@ -252,6 +252,7 @@ static void smm_relocate(void)
 	/* copy the SMM relocation code */
 	memcpy((void *)0x38000, &smm_relocation_start,
 			&smm_relocation_end - &smm_relocation_start);
+	wbinvd();
 
 	printk(BIOS_DEBUG, "\n");
 	dump_smi_status(reset_smi_status());
diff --git a/src/southbridge/intel/i82801gx/smi.c b/src/southbridge/intel/i82801gx/smi.c
index 01fbbfbcb7..3487aabd56 100644
--- a/src/southbridge/intel/i82801gx/smi.c
+++ b/src/southbridge/intel/i82801gx/smi.c
@@ -252,6 +252,7 @@ static void smm_relocate(void)
 	/* copy the SMM relocation code */
 	memcpy((void *)0x38000, &smm_relocation_start,
 			&smm_relocation_end - &smm_relocation_start);
+	wbinvd();
 
 	printk(BIOS_DEBUG, "\n");
 	dump_smi_status(reset_smi_status());
diff --git a/src/southbridge/intel/i82801ix/smi.c b/src/southbridge/intel/i82801ix/smi.c
index dd0915a90f..358a1a9ee7 100644
--- a/src/southbridge/intel/i82801ix/smi.c
+++ b/src/southbridge/intel/i82801ix/smi.c
@@ -256,6 +256,7 @@ static void smm_relocate(void)
 	/* copy the SMM relocation code */
 	memcpy((void *)0x38000, &smm_relocation_start,
 			&smm_relocation_end - &smm_relocation_start);
+	wbinvd();
 
 	printk(BIOS_DEBUG, "\n");
 	dump_smi_status(reset_smi_status());