diff --git a/Source/Core/Core/DSP/DSPAssembler.cpp b/Source/Core/Core/DSP/DSPAssembler.cpp
index 820850c3fc..327bf49f6c 100644
--- a/Source/Core/Core/DSP/DSPAssembler.cpp
+++ b/Source/Core/Core/DSP/DSPAssembler.cpp
@@ -63,11 +63,11 @@ bool DSPAssembler::Assemble(const std::string& text, std::vector<u16>& code,
 {
   if (line_numbers)
     line_numbers->clear();
-  const char* fname = "tmp.asm";
-  if (!File::WriteStringToFile(text, fname))
+  const std::string file_name = "tmp.asm";
+  if (!File::WriteStringToFile(text, file_name))
     return false;
   InitPass(1);
-  if (!AssembleFile(fname, 1))
+  if (!AssembleFile(file_name, 1))
     return false;
 
   // We now have the size of the output buffer
@@ -83,7 +83,7 @@ bool DSPAssembler::Assemble(const std::string& text, std::vector<u16>& code,
     return false;
 
   InitPass(2);
-  if (!AssembleFile(fname, 2))
+  if (!AssembleFile(file_name, 2))
     return false;
 
   code.resize(m_totalSize);
@@ -764,16 +764,16 @@ void DSPAssembler::InitPass(int pass)
   segment_addr[SEGMENT_OVERLAY] = 0;
 }
 
-bool DSPAssembler::AssembleFile(const char* fname, int pass)
+bool DSPAssembler::AssembleFile(const std::string& file_path, int pass)
 {
   int disable_text = 0;  // modified by Hermes
 
   std::ifstream fsrc;
-  OpenFStream(fsrc, fname, std::ios_base::in);
+  OpenFStream(fsrc, file_path, std::ios_base::in);
 
   if (fsrc.fail())
   {
-    std::cerr << "Cannot open file " << fname << std::endl;
+    std::cerr << "Cannot open file " << file_path << std::endl;
     return false;
   }
 
diff --git a/Source/Core/Core/DSP/DSPAssembler.h b/Source/Core/Core/DSP/DSPAssembler.h
index 383451feea..233100fc31 100644
--- a/Source/Core/Core/DSP/DSPAssembler.h
+++ b/Source/Core/Core/DSP/DSPAssembler.h
@@ -84,7 +84,7 @@ private:
   u32 GetParams(char* parstr, param_t* par);
 
   void InitPass(int pass);
-  bool AssembleFile(const char* fname, int pass);
+  bool AssembleFile(const std::string& file_path, int pass);
 
   void ShowError(err_t err_code, const char* extra_info = nullptr);
   // void ShowWarning(err_t err_code, const char *extra_info = nullptr);