diff --git a/cmd/efidebug.c b/cmd/efidebug.c
index e4030f514a..55c7abe3d0 100644
--- a/cmd/efidebug.c
+++ b/cmd/efidebug.c
@@ -72,7 +72,7 @@ static int do_efi_capsule_update(struct cmd_tbl *cmdtp, int flag,
 		       capsule->capsule_image_size);
 	}
 
-	ret = EFI_CALL(RT->update_capsule(&capsule, 1, (u64)NULL));
+	ret = EFI_CALL(RT->update_capsule(&capsule, 1, 0));
 	if (ret) {
 		printf("Cannot handle a capsule at %p", capsule);
 		return CMD_RET_FAILURE;
diff --git a/lib/efi_loader/efi_capsule.c b/lib/efi_loader/efi_capsule.c
index b57f0302c5..7ba1ced0a0 100644
--- a/lib/efi_loader/efi_capsule.c
+++ b/lib/efi_loader/efi_capsule.c
@@ -449,7 +449,7 @@ efi_status_t EFIAPI efi_update_capsule(
 	unsigned int i;
 	efi_status_t ret;
 
-	EFI_ENTRY("%p, %lu, %llu\n", capsule_header_array, capsule_count,
+	EFI_ENTRY("%p, %zu, %llu\n", capsule_header_array, capsule_count,
 		  scatter_gather_list);
 
 	if (!capsule_count) {
@@ -509,7 +509,7 @@ efi_status_t EFIAPI efi_query_capsule_caps(
 	unsigned int i;
 	efi_status_t ret;
 
-	EFI_ENTRY("%p, %lu, %p, %p\n", capsule_header_array, capsule_count,
+	EFI_ENTRY("%p, %zu, %p, %p\n", capsule_header_array, capsule_count,
 		  maximum_capsule_size, reset_type);
 
 	if (!maximum_capsule_size) {
diff --git a/lib/efi_loader/efi_firmware.c b/lib/efi_loader/efi_firmware.c
index 5e401bbca2..7a3cca2793 100644
--- a/lib/efi_loader/efi_firmware.c
+++ b/lib/efi_loader/efi_firmware.c
@@ -299,7 +299,7 @@ efi_status_t EFIAPI efi_firmware_fit_set_image(
 	efi_status_t (*progress)(efi_uintn_t completion),
 	u16 **abort_reason)
 {
-	EFI_ENTRY("%p %d %p %ld %p %p %p\n", this, image_index, image,
+	EFI_ENTRY("%p %d %p %zd %p %p %p\n", this, image_index, image,
 		  image_size, vendor_code, progress, abort_reason);
 
 	if (!image || image_index != 1)
@@ -414,7 +414,7 @@ efi_status_t EFIAPI efi_firmware_raw_set_image(
 	efi_status_t status;
 	efi_uintn_t capsule_payload_size;
 
-	EFI_ENTRY("%p %d %p %ld %p %p %p\n", this, image_index, image,
+	EFI_ENTRY("%p %d %p %zd %p %p %p\n", this, image_index, image,
 		  image_size, vendor_code, progress, abort_reason);
 
 	if (!image)