diff --git a/cmake/config.cmake b/cmake/config.cmake
index d563c225..611506fc 100644
--- a/cmake/config.cmake
+++ b/cmake/config.cmake
@@ -24,6 +24,12 @@ endif()
 
 if(CMAKE_SYSTEM_NAME STREQUAL "Darwin")
     if(CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
+        if(CMAKE_CXX_COMPILER_VERSION VERSION_LESS "15")
+          message(FATAL_ERROR "Apple Clang 15 or newer is required.")
+        elseif(NOT CMAKE_CXX_COMPILER_VERSION VERSION_GREATER_EQUAL "16")
+          # AppleClang 15 has issues with to_chars in <chrono> if target is too old
+          add_compile_options($<$<COMPILE_LANGUAGE:CXX>:-mmacosx-version-min=13.3>)
+        endif()
         add_compile_options($<$<COMPILE_LANGUAGE:CXX>:-fexperimental-library>)
     endif()
 endif()
diff --git a/profiler/helpers/embed.cpp b/profiler/helpers/embed.cpp
index 7c926c68..1e84a10a 100644
--- a/profiler/helpers/embed.cpp
+++ b/profiler/helpers/embed.cpp
@@ -1,6 +1,6 @@
-#include <format>
 #include <stdint.h>
 #include <stdio.h>
+#include <string>
 
 #include "../../public/common/tracy_lz4hc.hpp"
 
@@ -43,7 +43,7 @@ int main( int argc, char** argv )
     const auto lz4sz = tracy::LZ4_compress_HC( (const char*)data, (char*)lz4data, sz, lz4szMax, 6 );
     delete[] data;
 
-    FILE* hdr = fopen( std::format( "{}.hpp", destination ).c_str(), "wb" );
+    FILE* hdr = fopen( ( std::string(destination) + ".hpp" ).c_str(), "wb" );
     fprintf( hdr, "// This file is generated by embed tool, do not modify\n" );
     fprintf( hdr, "// Source: %s\n\n", source );
     fprintf( hdr, "#pragma once\n\n" );
@@ -56,7 +56,7 @@ int main( int argc, char** argv )
     fprintf( hdr, "}\n" );
     fclose( hdr );
 
-    FILE* cpp = fopen( std::format( "{}.cpp", destination ).c_str(), "wb" );
+    FILE* cpp = fopen( ( std::string(destination) + ".cpp" ).c_str(), "wb" );
     fprintf( cpp, "// This file is generated by embed tool, do not modify\n" );
     fprintf( cpp, "// Source: %s\n\n", source );
     fprintf( cpp, "#include \"%s.hpp\"\n\n", destination );
diff --git a/profiler/src/profiler/TracyLlmTools.cpp b/profiler/src/profiler/TracyLlmTools.cpp
index 55983abb..db51d6a7 100644
--- a/profiler/src/profiler/TracyLlmTools.cpp
+++ b/profiler/src/profiler/TracyLlmTools.cpp
@@ -196,7 +196,7 @@ TracyLlmTools::TracyLlmTools( Worker& worker )
         for( size_t i=1; i<levels.size(); i++ ) manualChunk += " > " + chapterNames[i];
         manualChunk += "\n\n";
         manualChunk += std::string( manual.data() + manualChunkPos, pos - manualChunkPos );
-        m_manualChunks.emplace_back( std::move( manualChunk ) );
+        m_manualChunks.emplace_back( ManualChunk{std::move( manualChunk ), "", "", ""} );
     }
 }