diff --git a/lib/ext2fs/csum.c b/lib/ext2fs/csum.c
index a7172580..54b53a3c 100644
--- a/lib/ext2fs/csum.c
+++ b/lib/ext2fs/csum.c
@@ -274,7 +274,7 @@ static errcode_t __get_dirent_tail(ext2_filsys fs,
 		rec_len = translate(d->rec_len);
 	}
 
-	if ((void *)d > ((void *)dirent + fs->blocksize))
+	if ((char *)d > ((char *)dirent + fs->blocksize))
 			return EXT2_ET_DIR_CORRUPTED;
 	if (d != top)
 		return EXT2_ET_DIR_NO_SPACE_FOR_CSUM;