diff --git a/src/v_video.c b/src/v_video.c
index 0efd2cdda..c482debda 100644
--- a/src/v_video.c
+++ b/src/v_video.c
@@ -383,7 +383,7 @@ static void LoadPalette(const char *lumpname)
 				else if (working[0][q]  < 0.0)
 					working[0][q] = 0.0;
 			}
-#undef dowork
+#undef dolerp
 
 			pLocalPalette[i].s.red = (UINT8)(working[0][0]);
 			pLocalPalette[i].s.green = (UINT8)(working[0][1]);