diff --git a/tools/lottie_markdown.py b/tools/lottie_markdown.py
index cbf9b83..d9b2d51 100644
--- a/tools/lottie_markdown.py
+++ b/tools/lottie_markdown.py
@@ -869,7 +869,7 @@ def run(self, parent, blocks):
         builder = LottiePlaygroundBuilder(parent, self.schema_data, width=width, height=height, buttons=buttons)
 
         md_form = md_element.find("./form")
-        if md_form:
+        if md_form is not None:
             for input in md_form:
                 if not input.attrib.get("title", ""):
                     input.attrib["title"] = input.attrib["name"]