diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 3bd2982..f8ad756 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -3331,8 +3331,8 @@
 			memset(buf, 0, PAGE_SIZE);
 		cond_resched();
 	}
-	/* Add the journal blocks as well */
-	if (sbi->s_journal)
+	/* Add the internal journal blocks as well */
+	if (sbi->s_journal && !sbi->journal_bdev)
 		overhead += EXT4_NUM_B2C(sbi, sbi->s_journal->j_maxlen);
 
 	sbi->s_overhead = overhead;