diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c
index 4c626fcd4dcbb5f43f1aa40749e9d561d8815116..1522d4aa2ca62a94149746415b4bff1ed194d2c2 100644
--- a/drivers/edac/sb_edac.c
+++ b/drivers/edac/sb_edac.c
@@ -1052,7 +1052,7 @@ static u64 haswell_get_tohm(struct sbridge_pvt *pvt)
 	pci_read_config_dword(pvt->info.pci_vtd, HASWELL_TOHM_1, &reg);
 	rc = ((reg << 6) | rc) << 26;
 
-	return rc | 0x1ffffff;
+	return rc | 0x3ffffff;
 }
 
 static u64 knl_get_tolm(struct sbridge_pvt *pvt)