diff --git a/stepmania/src/SongManager.cpp b/stepmania/src/SongManager.cpp
index dd77b007fa..addded2e3b 100644
--- a/stepmania/src/SongManager.cpp
+++ b/stepmania/src/SongManager.cpp
@@ -354,7 +354,7 @@ void FileWrite( ofstream& f, int iWrite )
 {
 	f << iWrite << endl;
 }
-void FileWrite( ofstream& f, unsigned uWrite )
+void FileWrite( ofstream& f, size_t uWrite )
 {
 	f << uWrite << endl;
 }