diff --git a/deps/ox/src/ox/std/fmt.hpp b/deps/ox/src/ox/std/fmt.hpp
index 90010f36..2d236964 100644
--- a/deps/ox/src/ox/std/fmt.hpp
+++ b/deps/ox/src/ox/std/fmt.hpp
@@ -42,8 +42,7 @@ constexpr const char *toCString(const BasicString<size> &s) noexcept {
 }
 
 #if __has_include(<string>)
-inline
-const char *toCString(const std::string &s) noexcept {
+constexpr const char *toCString(const std::string &s) noexcept {
 	return s.c_str();
 }
 #endif