diff --git a/fs/f2fs/segment.h b/fs/f2fs/segment.h
index a7e3e9112100cc53962f48df2dbab1bf5aee6f11..afb73627a8eccdc28ae0f41b36f7dfdf938bcfff 100644
--- a/fs/f2fs/segment.h
+++ b/fs/f2fs/segment.h
@@ -55,7 +55,7 @@
 #define TOTAL_BLKS(sbi)	(TOTAL_SEGS(sbi) << sbi->log_blocks_per_seg)
 
 #define MAX_BLKADDR(sbi)	(SEG0_BLKADDR(sbi) + TOTAL_BLKS(sbi))
-#define SEGMENT_SIZE(sbi)	(1 << (sbi->log_blocksize +		\
+#define SEGMENT_SIZE(sbi)	(1ULL << (sbi->log_blocksize +		\
 					sbi->log_blocks_per_seg))
 
 #define START_BLOCK(sbi, segno)	(SEG0_BLKADDR(sbi) +			\