diff --git a/src/Processors/Transforms/PartialSortingTransform.cpp b/src/Processors/Transforms/PartialSortingTransform.cpp
index d461f968f2e..1cfd70546ae 100644
--- a/src/Processors/Transforms/PartialSortingTransform.cpp
+++ b/src/Processors/Transforms/PartialSortingTransform.cpp
@@ -65,7 +65,7 @@ size_t getFilterMask(const ColumnRawPtrs & lhs, const ColumnRawPtrs & rhs, size_
     }
 
     for (size_t i = 0; i != rows_num; ++i)
-        filtered_count -= (filter[i] = (compare_results[i] >= 0));
+        filtered_count -= (filter[i] = (compare_results[i] <= 0));
 
     return filtered_count;
 }
diff --git a/tests/performance/string_sort.xml b/tests/performance/string_sort.xml
index 71b56bdb9d6..1d528f39428 100644
--- a/tests/performance/string_sort.xml
+++ b/tests/performance/string_sort.xml
@@ -32,6 +32,11 @@
     </substitutions>
 
     <query><![CDATA[SELECT {str1} FROM hits_100m_single ORDER BY {str1} LIMIT 10]]></query>
+    <query><![CDATA[SELECT {str1} FROM hits_100m_single ORDER BY {str1} LIMIT 300]]></query>
+    <query><![CDATA[SELECT {str1} FROM hits_100m_single ORDER BY {str1} LIMIT 1500]]></query>
+    <query><![CDATA[SELECT {str1} FROM hits_100m_single ORDER BY {str1} LIMIT 2000]]></query>
+    <query><![CDATA[SELECT {str1} FROM hits_100m_single ORDER BY {str1} LIMIT 5000]]></query>
+    <query><![CDATA[SELECT {str1} FROM hits_100m_single ORDER BY {str1} LIMIT 10000, 10000]]></query>
     <query><![CDATA[SELECT {str1} FROM hits_10m_single ORDER BY {str1} LIMIT 9000000, 10]]></query>
 
     <query><![CDATA[SELECT {str1}, {str2} FROM hits_100m_single ORDER BY {str1}, {str2} LIMIT 10]]></query>