diff --git a/src/ginput/mouse.c b/src/ginput/mouse.c
index c7a20ec1..f7842e33 100644
--- a/src/ginput/mouse.c
+++ b/src/ginput/mouse.c
@@ -189,6 +189,8 @@ void _tsOrientClip(MouseReading *pt, GDisplay *g, bool_t doClip) {
 				break;
 			}
 		#else
+			(void)	g;
+
 			c0 = cross[0].x;
 			c1 = cross[1].x;
 			c2 = cross[2].x;