diff --git a/src/sna/sna_trapezoids.c b/src/sna/sna_trapezoids.c
index fafb16fc..f8df2a42 100644
--- a/src/sna/sna_trapezoids.c
+++ b/src/sna/sna_trapezoids.c
@@ -3494,7 +3494,7 @@ trapezoid_span_inplace(CARD8 op, PicturePtr src, PicturePtr dst,
 	inplace.opacity = color >> 24;
 
 	tor_render(NULL, &tor, (void*)&inplace,
-		   dst->pCompositeClip, span, true);
+		   dst->pCompositeClip, span, op == PictOpIn);
 
 	tor_fini(&tor);