diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index 04f7fc1a5233..26ee4e1a4ed9 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -1911,7 +1911,8 @@ retry:
 			n_desc_blocks = o_desc_blocks +
 				le16_to_cpu(es->s_reserved_gdt_blocks);
 			n_group = n_desc_blocks * EXT4_DESC_PER_BLOCK(sb);
-			n_blocks_count = n_group * EXT4_BLOCKS_PER_GROUP(sb);
+			n_blocks_count = (ext4_fsblk_t)n_group *
+				EXT4_BLOCKS_PER_GROUP(sb);
 			n_group--; /* set to last group number */
 		}