diff --git a/library/cpp/mime/types/mime.cpp b/library/cpp/mime/types/mime.cpp
index 144ae392b27..39e5f2706cc 100644
--- a/library/cpp/mime/types/mime.cpp
+++ b/library/cpp/mime/types/mime.cpp
@@ -158,7 +158,7 @@ MimeTypes TMimeTypes::MimeByStr(const char* str) const {
 }
 
 MimeTypes TMimeTypes::MimeByStr(const TStringBuf& str) const {
-    TRecordHash::const_iterator it = ContentTypes.find(str);
+    TRecordHash::const_iterator it = ContentTypes.find(str.data());
     if (it == ContentTypes.end())
         return MIME_UNKNOWN;
     return Records[it->second].Mime;
diff --git a/util/CMakeLists.txt b/util/CMakeLists.txt
index d942885a045..0b9c5175fb4 100644
--- a/util/CMakeLists.txt
+++ b/util/CMakeLists.txt
@@ -387,11 +387,11 @@ _ydb_sdk_add_library(yutil)
 
 target_compile_options(yutil PUBLIC
   -DTSTRING_IS_STD_STRING
+  -DNO_CUSTOM_CHAR_PTR_STD_COMPARATOR
 )
 
 target_compile_options(yutil PRIVATE
   -Wnarrowing
-  -DNO_CUSTOM_CHAR_PTR_STD_COMPARATOR
 )
 
 target_link_libraries(yutil PUBLIC
diff --git a/util/charset/CMakeLists.txt b/util/charset/CMakeLists.txt
index 9c9900e1efa..cce4a665716 100644
--- a/util/charset/CMakeLists.txt
+++ b/util/charset/CMakeLists.txt
@@ -6,11 +6,11 @@ _ydb_sdk_add_library(util-charset)
 
 target_compile_options(util-charset PUBLIC
   -DTSTRING_IS_STD_STRING
+  -DNO_CUSTOM_CHAR_PTR_STD_COMPARATOR
 )
 
 target_compile_options(util-charset PRIVATE
   -Wnarrowing
-  -DNO_CUSTOM_CHAR_PTR_STD_COMPARATOR
 )
 
 target_joined_source(util-charset
diff --git a/util/str_stl.h b/util/str_stl.h
index 5b0254bee9b..70f9d46b077 100644
--- a/util/str_stl.h
+++ b/util/str_stl.h
@@ -211,6 +211,13 @@ struct TEqualTo<TUtf32String>: public TEqualTo<TUtf32StringBuf> {
     using is_transparent = void;
 };
 
+template <>
+struct TEqualTo<const char*> {
+    inline bool operator()(const char* a, const char* b) const {
+        return strcmp(a, b) == 0;
+    }
+};
+
 template <class TFirst, class TSecond>
 struct TEqualTo<std::pair<TFirst, TSecond>> {
     template <class TOther>
@@ -264,6 +271,13 @@ struct TLess<TUtf32String>: public TLess<TUtf32StringBuf> {
     using is_transparent = void;
 };
 
+template <>
+struct TLess<const char*> {
+    inline bool operator()(const char* a, const char* b) const {
+        return strcmp(a, b) < 0;
+    }
+};
+
 template <class T>
 struct TGreater: public std::greater<T> {
 };