diff --git a/src/AggregateFunctions/AggregateFunctionRankCorr.cpp b/src/AggregateFunctions/AggregateFunctionRankCorr.cpp
index 57d87a0bd81..8d836088607 100644
--- a/src/AggregateFunctions/AggregateFunctionRankCorr.cpp
+++ b/src/AggregateFunctions/AggregateFunctionRankCorr.cpp
@@ -8,7 +8,6 @@
 
 namespace ErrorCodes
 {
-extern const int NUMBER_OF_ARGUMENTS_DOESNT_MATCH;
 extern const int NOT_IMPLEMENTED;
 }
 
diff --git a/src/AggregateFunctions/AggregateFunctionRankCorr.h b/src/AggregateFunctions/AggregateFunctionRankCorr.h
index c01f66a8b71..8f1f176a1aa 100644
--- a/src/AggregateFunctions/AggregateFunctionRankCorr.h
+++ b/src/AggregateFunctions/AggregateFunctionRankCorr.h
@@ -195,7 +195,7 @@ public:
 
             while (j < size - 1)
             {
-                if (value[j].first == value[j + 1].first)
+                if (tmp_values[j].first == tmp_values[j + 1].first)
                 {
                     // rank of (j + 1)th number
                     rank += 1;
@@ -232,7 +232,7 @@ public:
 
             while (j < size - 1)
             {
-                if (value[j].second == value[j + 1].second)
+                if (tmp_values[j].second == tmp_values[j + 1].second)
                 {
                     // rank of (j + 1)th number
                     rank += 1;