diff --git a/stepmania/src/NoteDataUtil.cpp b/stepmania/src/NoteDataUtil.cpp
index 3ab6b6d3c5..8c0708e4f9 100644
--- a/stepmania/src/NoteDataUtil.cpp
+++ b/stepmania/src/NoteDataUtil.cpp
@@ -129,7 +129,7 @@ static void LoadFromSMNoteDataStringWithPlayer( NoteData& out, const RString &sS
 					int iHeadRow;
 					if( !out.IsHoldNoteAtRow( iTrack, iIndex, &iHeadRow ) )
 					{
-						int n = (int*)endLine - (int*)beginLine;
+						int n = intptr_t(endLine) - intptr_t(beginLine);
 						LOG->Warn( "Unmatched 3 in \"%.*s\"", n, beginLine );
 					}
 					else