diff --git a/PowerEditor/src/ScitillaComponent/FindReplaceDlg.cpp b/PowerEditor/src/ScitillaComponent/FindReplaceDlg.cpp
index 153760e5f..39ba99802 100644
--- a/PowerEditor/src/ScitillaComponent/FindReplaceDlg.cpp
+++ b/PowerEditor/src/ScitillaComponent/FindReplaceDlg.cpp
@@ -3001,8 +3001,7 @@ HWND Progress::open(HWND hCallerWnd, const TCHAR* header)
 	else
 		_tcscpy_s(_header, _countof(_header), cDefaultHeader);
 
-	_hThread = ::CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE)threadFunc,
-		(LPVOID)this, 0, NULL);
+	_hThread = ::CreateThread(NULL, 0, threadFunc, this, 0, NULL);
 	if (!_hThread)
 	{
 		::CloseHandle(_hActiveState);
diff --git a/PowerEditor/src/ScitillaComponent/FindReplaceDlg.h b/PowerEditor/src/ScitillaComponent/FindReplaceDlg.h
index e69b725c1..3d21ee182 100644
--- a/PowerEditor/src/ScitillaComponent/FindReplaceDlg.h
+++ b/PowerEditor/src/ScitillaComponent/FindReplaceDlg.h
@@ -440,7 +440,7 @@ private:
 
 	static volatile LONG refCount;
 
-	static DWORD threadFunc(LPVOID data);
+	static DWORD WINAPI threadFunc(LPVOID data);
 	static LRESULT APIENTRY wndProc(HWND hwnd, UINT umsg, WPARAM wparam, LPARAM lparam);
 
 	// Disable copy construction and operator=