diff --git a/lib/efi_loader/efi_tcg2.c b/lib/efi_loader/efi_tcg2.c
index bdf78897d47..1860dc50238 100644
--- a/lib/efi_loader/efi_tcg2.c
+++ b/lib/efi_loader/efi_tcg2.c
@@ -1213,8 +1213,10 @@ tcg2_measure_gpt_data(struct udevice *dev,
 		goto out2;
 	}
 
-	ret = block_io->read_blocks(block_io, block_io->media->media_id, 1,
-				    block_io->media->block_size, gpt_h);
+	ret = EFI_CALL(block_io->read_blocks(block_io,
+					     block_io->media->media_id, 1,
+					     block_io->media->block_size,
+					     gpt_h));
 	if (ret != EFI_SUCCESS)
 		goto out2;
 
@@ -1227,9 +1229,10 @@ tcg2_measure_gpt_data(struct udevice *dev,
 		goto out2;
 	}
 
-	ret = block_io->read_blocks(block_io, block_io->media->media_id,
-				    gpt_h->partition_entry_lba,
-				    total_gpt_entry_size, entry);
+	ret = EFI_CALL(block_io->read_blocks(block_io,
+					     block_io->media->media_id,
+					     gpt_h->partition_entry_lba,
+					     total_gpt_entry_size, entry));
 	if (ret != EFI_SUCCESS)
 		goto out2;