diff --git a/src/sql/engine/sort/ob_sort_op_impl.cpp b/src/sql/engine/sort/ob_sort_op_impl.cpp
index 1697e8873b8ca4a9b395bce4dba843fdf79173d3..a500f10355eace3fa44b5090cca962dcce8f7fa4 100644
--- a/src/sql/engine/sort/ob_sort_op_impl.cpp
+++ b/src/sql/engine/sort/ob_sort_op_impl.cpp
@@ -32,9 +32,9 @@ int ObSortOpImpl::Compare::init(
   if (nullptr == sort_collations || nullptr == sort_cmp_funs) {
     ret = OB_INVALID_ARGUMENT;
     LOG_WARN("invalid argument", K(ret), KP(sort_collations), KP(sort_cmp_funs));
-  } else if (sort_cmp_funs->count() != sort_cmp_funs->count()) {
+  } else if (sort_collations->count() != sort_cmp_funs->count()) {
     ret = OB_INVALID_ARGUMENT;
-    LOG_WARN("column count miss match", K(ret), K(sort_cmp_funs->count()), K(sort_cmp_funs->count()));
+    LOG_WARN("column count miss match", K(ret), K(sort_collations->count()), K(sort_cmp_funs->count()));
   } else {
     sort_collations_ = sort_collations;
     sort_cmp_funs_ = sort_cmp_funs;