diff --git a/src/soc/amd/common/block/acpi/ivrs.c b/src/soc/amd/common/block/acpi/ivrs.c
index d5a409f..71b9c62 100644
--- a/src/soc/amd/common/block/acpi/ivrs.c
+++ b/src/soc/amd/common/block/acpi/ivrs.c
@@ -203,7 +203,7 @@
 	acpi_ivrs_ivhd40_t *ivhd_40 = (acpi_ivrs_ivhd40_t *)current;
 	unsigned long current_backup;
 
-	memset(ivhd_40, 0, sizeof(acpi_ivrs_ivhd40_t));
+	memset(ivhd_40, 0, sizeof(*ivhd_40));
 
 	/* Enable EFR */
 	ivhd_40->type = IVHD_BLOCK_TYPE_FULL__ACPI_HID;
@@ -260,7 +260,7 @@
 	 * In order to utilize all features, firmware should expose type 11h
 	 * IVHD which supersedes the type 10h.
 	 */
-	memset(ivhd_11, 0, sizeof(acpi_ivrs_ivhd11_t));
+	memset(ivhd_11, 0, sizeof(*ivhd_11));
 
 	/* Enable EFR */
 	ivhd_11->type = IVHD_BLOCK_TYPE_FULL__FIXED;