diff --git a/src/TimingData.cpp b/src/TimingData.cpp
index 1e57e455ac..f65c00122e 100644
--- a/src/TimingData.cpp
+++ b/src/TimingData.cpp
@@ -1746,7 +1746,7 @@ public:
 		LuaHelpers::CreateTableFromArray(fBPMs, L);
 		return 1;
 	}
-	static int HasNegativeBPMs( T* p, lua_State *L )		{ lua_pushboolean(L, p->m_bHasNegativeBpms); return 1; }
+	static int HasNegativeBPMs( T* p, lua_State *L )		{ lua_pushboolean(L, p->HasWarps()); return 1; }
 	// formerly in Song.cpp in sm-ssc private beta 1.x:
 	static int GetBPMAtBeat( T* p, lua_State *L )		{ lua_pushnumber(L, p->GetBPMAtBeat(FArg(1))); return 1; }
 	static int GetBeatFromElapsedTime( T* p, lua_State *L )	{ lua_pushnumber(L, p->GetBeatFromElapsedTime(FArg(1))); return 1; }