diff --git a/drivers/edac/pnd2_edac.c b/drivers/edac/pnd2_edac.c
index a3180a87ff9638d50598f6e806771adffc826bb6..2b16b95201eb025c7c87c1e1e534816bdfce223e 100644
--- a/drivers/edac/pnd2_edac.c
+++ b/drivers/edac/pnd2_edac.c
@@ -241,6 +241,7 @@ static u64 get_sideband_reg_base_addr(void)
 	if (pdev) {
 		pci_read_config_dword(pdev, 0x10, &lo);
 		pci_read_config_dword(pdev, 0x14, &hi);
+		lo &= 0xfffffff0;
 		pci_dev_put(pdev);
 		return (U64_LSHIFT(hi, 32) | U64_LSHIFT(lo, 0));
 	} else {