diff --git a/ydb/library/yql/providers/s3/path_generator/yql_s3_path_generator.cpp b/ydb/library/yql/providers/s3/path_generator/yql_s3_path_generator.cpp
index 9eb606e8e65d..70d0f512e16b 100644
--- a/ydb/library/yql/providers/s3/path_generator/yql_s3_path_generator.cpp
+++ b/ydb/library/yql/providers/s3/path_generator/yql_s3_path_generator.cpp
@@ -157,7 +157,7 @@ bool IsOverflow(ui64 a, ui64 b) {
     return b > diff;
 }
 
-bool IsOverflowUi64I64(ui64 a, i64 b) {
+bool IsOverflow(ui64 a, i64 b) {
     return b > 0 ? IsOverflow(a, (ui64)b) : a < (ui64)-b;
 }
 
@@ -213,7 +213,7 @@ TInstant AddUnit(TInstant current, int64_t interval, IPathGenerator::EIntervalUn
     }
 
     const i64 deltaValue = (interval > 0 ? 1LL : -1LL) * delta.GetValue();
-    if (IsOverflowUi64I64(current.GetValue(), deltaValue)) {
+    if (IsOverflow(current.GetValue(), deltaValue)) {
         ythrow yexception() << "Timestamp is overflowed";
     }