diff --git a/src/dbg/patches.cpp b/src/dbg/patches.cpp
index ad1aa5a9..b4f99f1b 100644
--- a/src/dbg/patches.cpp
+++ b/src/dbg/patches.cpp
@@ -212,19 +212,18 @@ int PatchFile(const PATCHINFO* List, int Count, const char* FileName, char* Erro
         return -1;
     }
 
-    // Get the unicode version of the module's path
-    wchar_t originalName[MAX_PATH];
-
-    if(!GetModuleFileNameExW(fdProcessInfo->hProcess, (HMODULE)moduleBase, originalName, ARRAYSIZE(originalName)))
+    //get the origin module path
+    char modPath[MAX_PATH] = "";
+    if(!ModPathFromAddr(moduleBase, modPath, MAX_PATH))
     {
-        if(Error)
+        if (Error)
             sprintf_s(Error, MAX_ERROR_SIZE, "Failed to get module path of module %s", moduleName);
 
         return -1;
     }
 
     // Create a temporary backup file
-    if(!CopyFileW(originalName, StringUtils::Utf8ToUtf16(FileName).c_str(), false))
+    if (!CopyFileW(StringUtils::Utf8ToUtf16(modPath).c_str(), StringUtils::Utf8ToUtf16(FileName).c_str(), false))
     {
         if(Error)
             strcpy_s(Error, MAX_ERROR_SIZE, "Failed to make a copy of the original file (patch target is in use?)");