diff --git a/examples/polygon/main.c b/examples/polygon/main.c
index 7887b99..c865373 100644
--- a/examples/polygon/main.c
+++ b/examples/polygon/main.c
@@ -126,11 +126,10 @@ int main()
 			mg_set_color_rgba(0, 0, 1, 1);
 			mg_fill();
 */
-
-			mg_set_joint(MG_JOINT_MITER);
+			mg_set_joint(MG_JOINT_NONE);
 			mg_set_max_joint_excursion(20);
 
-			mg_set_cap(MG_CAP_NONE);
+			mg_set_cap(MG_CAP_SQUARE);
 
 			mg_move_to(x+200, y+200);
 			mg_line_to(x+300, y+300);
diff --git a/src/mtl_renderer.m b/src/mtl_renderer.m
index 62e1730..5589ce0 100644
--- a/src/mtl_renderer.m
+++ b/src/mtl_renderer.m
@@ -532,7 +532,7 @@ u32 mg_mtl_render_stroke_subpath(mg_mtl_encoding_context* context,
 	{
 		//NOTE(martin): add start and end cap
 		mg_mtl_stroke_cap(context, startPoint, (vec2){-startTangent.x, -startTangent.y});
-		mg_mtl_stroke_cap(context, endPoint, startTangent);
+		mg_mtl_stroke_cap(context, endPoint, endTangent);
 	}
 	return(eltIndex);
 }