diff --git a/fs_mgr/libsnapshot/snapuserd.cpp b/fs_mgr/libsnapshot/snapuserd.cpp
index 3abc457..49e6c3d 100644
--- a/fs_mgr/libsnapshot/snapuserd.cpp
+++ b/fs_mgr/libsnapshot/snapuserd.cpp
@@ -334,7 +334,7 @@
     int merged_ops_cur_iter = 0;
 
     // Find the operations which are merged in this cycle.
-    while ((unmerged_exceptions + merged_ops_cur_iter) <= exceptions_per_area_) {
+    while ((unmerged_exceptions + merged_ops_cur_iter) < exceptions_per_area_) {
         struct disk_exception* merged_de =
                 reinterpret_cast<struct disk_exception*>((char*)merged_buffer + offset);
         struct disk_exception* cow_de =