diff --git a/External/FEXCore/Source/Common/StringConv.h b/External/FEXCore/Source/Common/StringConv.h
index b994ca518..112b10f75 100644
--- a/External/FEXCore/Source/Common/StringConv.h
+++ b/External/FEXCore/Source/Common/StringConv.h
@@ -7,32 +7,32 @@
 
 namespace FEXCore::StrConv {
   [[maybe_unused]] static bool Conv(std::string_view Value, bool *Result) {
-    *Result = std::stoull(Value.data(), nullptr, 0);
+    *Result = std::strtoull(Value.data(), nullptr, 0);
     return true;
   }
 
   [[maybe_unused]] static bool Conv(std::string_view Value, uint8_t *Result) {
-    *Result = std::stoul(Value.data(), nullptr, 0);
+    *Result = std::strtoul(Value.data(), nullptr, 0);
     return true;
   }
 
   [[maybe_unused]] static bool Conv(std::string_view Value, uint16_t *Result) {
-    *Result = std::stoul(Value.data(), nullptr, 0);
+    *Result = std::strtoul(Value.data(), nullptr, 0);
     return true;
   }
 
   [[maybe_unused]] static bool Conv(std::string_view Value, uint32_t *Result) {
-    *Result = std::stoul(Value.data(), nullptr, 0);
+    *Result = std::strtoul(Value.data(), nullptr, 0);
     return true;
   }
 
   [[maybe_unused]] static bool Conv(std::string_view Value, int32_t *Result) {
-    *Result = std::stol(Value.data(), nullptr, 0);
+    *Result = std::strtol(Value.data(), nullptr, 0);
     return true;
   }
 
   [[maybe_unused]] static bool Conv(std::string_view Value, uint64_t *Result) {
-    *Result = std::stoull(Value.data(), nullptr, 0);
+    *Result = std::strtoull(Value.data(), nullptr, 0);
     return true;
   }
   template <typename T,