diff --git a/klamath/elements.py b/klamath/elements.py
index 8c77162..ba72d47 100644
--- a/klamath/elements.py
+++ b/klamath/elements.py
@@ -316,7 +316,7 @@ class Path(Element):
         if self.width != 0:
             b += WIDTH.write(stream, self.width)
 
-        if self.path_type < 4:
+        if self.path_type == 4:
             bgn_ext, end_ext = self.extension
             if bgn_ext != 0:
                 b += BGNEXTN.write(stream, bgn_ext)