diff --git a/HISTORY b/HISTORY
index 3543ca15..09fe1a89 100644
--- a/HISTORY
+++ b/HISTORY
@@ -11,6 +11,7 @@ SnapRAID HISTORY
  * In Windows applies filters in case insensitive way.
  * The Windows binaries are now built with gcc 4.7.2.
  * Reduced memory occupation for hardlinks and directories.
+ * In 'dup' don't list file with 0 size.
 
 3.0 2013/3
 ==========
diff --git a/dup.c b/dup.c
index 0271b594..e574993e 100644
--- a/dup.c
+++ b/dup.c
@@ -110,7 +110,11 @@ void state_dup(struct snapraid_state* state)
 			/* if no hash, skip it */
 			if (!hash)
 				continue;
-			
+
+			/* if empty, skip it */
+			if (!file->size == 0)
+				continue;
+
 			hash32 = hash_hash(hash);
 
 			struct snapraid_hash* dup = tommy_hashdyn_search(&hashset, hash_compare, hash->hash, hash32);