diff --git a/src/path/Path.js b/src/path/Path.js
index 71454a0d..5385e349 100644
--- a/src/path/Path.js
+++ b/src/path/Path.js
@@ -2846,8 +2846,9 @@ statics: {
             normal1 = curve1.getNormalAtTime(1).multiply(radius)
                 .transform(strokeMatrix),
             normal2 = curve2.getNormalAtTime(0).multiply(radius)
-                .transform(strokeMatrix);
-        if (normal1.getDirectedAngle(normal2) < 0) {
+                .transform(strokeMatrix),
+                angle = normal1.getDirectedAngle(normal2);
+        if (angle < 0 || angle >= 180) {
             normal1 = normal1.negate();
             normal2 = normal2.negate();
         }