4 files changed, 4 insertions, 4 deletions
diff --git a/util/charset/utf8.cpp b/util/charset/utf8.cpp
index efe3a52f615..b1ccb00e219 100644
--- a/util/charset/utf8.cpp
+++ b/util/charset/utf8.cpp
@@ -99,7 +99,7 @@ static const char* SkipUTF8Chars(const char* begin, const char* end, size_t numC
     return begin;
 }
 
-TStringBuf SubstrUTF8(const TStringBuf str, size_t pos, size_t len) {
+TStringBuf SubstrUTF8(const TStringBuf str Y_LIFETIME_BOUND, size_t pos, size_t len) {
     const char* start = SkipUTF8Chars(str.begin(), str.end(), pos);
     const char* end = SkipUTF8Chars(start, str.end(), len);
     return TStringBuf(start, end - start);
diff --git a/util/charset/utf8.h b/util/charset/utf8.h
index 76c1f94078a..d0c45e9d06f 100644
--- a/util/charset/utf8.h
+++ b/util/charset/utf8.h
@@ -388,7 +388,7 @@ inline void WriteUTF8Char(wchar32 rune, size_t& rune_len, unsigned char* s) {
     }
 }
 
-TStringBuf SubstrUTF8(const TStringBuf str, size_t pos, size_t len);
+TStringBuf SubstrUTF8(const TStringBuf str Y_LIFETIME_BOUND, size_t pos, size_t len);
 
 enum EUTF8Detect {
     NotUTF8,
diff --git a/util/folder/pathsplit.cpp b/util/folder/pathsplit.cpp
index 816f6960245..fd002b143a3 100644
--- a/util/folder/pathsplit.cpp
+++ b/util/folder/pathsplit.cpp
@@ -132,7 +132,7 @@ TString JoinPaths(const TPathSplit& p1, const TPathSplit& p2) {
     return TPathSplit(p1).AppendMany(p2.begin(), p2.end()).Reconstruct();
 }
 
-TStringBuf CutExtension(const TStringBuf fileName) {
+TStringBuf CutExtension(const TStringBuf fileName Y_LIFETIME_BOUND) {
     if (fileName.empty()) {
         return fileName;
     }
diff --git a/util/folder/pathsplit.h b/util/folder/pathsplit.h
index d134338e35d..135457dbd06 100644
--- a/util/folder/pathsplit.h
+++ b/util/folder/pathsplit.h
@@ -110,4 +110,4 @@ using TPathSplitWindows = TPathSplitBase<TPathSplitTraitsWindows>;
 
 TString JoinPaths(const TPathSplit& p1, const TPathSplit& p2);
 
-TStringBuf CutExtension(const TStringBuf fileName);
+TStringBuf CutExtension(const TStringBuf fileName Y_LIFETIME_BOUND);