diff --git a/Source/Core/Core/IOS/FS/FileSystemProxy.cpp b/Source/Core/Core/IOS/FS/FileSystemProxy.cpp
index 7113b169e6..6cc86020dd 100644
--- a/Source/Core/Core/IOS/FS/FileSystemProxy.cpp
+++ b/Source/Core/Core/IOS/FS/FileSystemProxy.cpp
@@ -101,7 +101,7 @@ void FSDevice::DoState(PointerWrap& p)
 }
 
 template <typename... Args>
-static void LogResult(ResultCode code, std::string_view format, Args&&... args)
+static void LogResult(ResultCode code, fmt::format_string<Args...> format, Args&&... args)
 {
   const std::string command = fmt::format(format, std::forward<Args>(args)...);
   const auto type =
@@ -112,7 +112,7 @@ static void LogResult(ResultCode code, std::string_view format, Args&&... args)
 }
 
 template <typename T, typename... Args>
-static void LogResult(const Result<T>& result, std::string_view format, Args&&... args)
+static void LogResult(const Result<T>& result, fmt::format_string<Args...> format, Args&&... args)
 {
   const auto result_code = result.Succeeded() ? ResultCode::Success : result.Error();
   LogResult(result_code, format, std::forward<Args>(args)...);
diff --git a/Source/Core/VideoCommon/ShaderGenCommon.h b/Source/Core/VideoCommon/ShaderGenCommon.h
index b787035a36..edbd931db9 100644
--- a/Source/Core/VideoCommon/ShaderGenCommon.h
+++ b/Source/Core/VideoCommon/ShaderGenCommon.h
@@ -107,7 +107,7 @@ public:
 
   // Writes format strings using fmtlib format strings.
   template <typename... Args>
-  void Write(std::string_view format, Args&&... args)
+  void Write(fmt::format_string<Args...> format, Args&&... args)
   {
     fmt::format_to(std::back_inserter(m_buffer), format, std::forward<Args>(args)...);
   }