diff --git a/nikola_to_zola.py b/nikola_to_zola.py
index 968e3de..08e89d7 100755
--- a/nikola_to_zola.py
+++ b/nikola_to_zola.py
@@ -23,6 +23,10 @@ def parse_frontmatter_line(line: str) -> tuple[str, str]:
     """
     frontmatter = tuple(line.strip()[3:].split(": ", 1))
     key = frontmatter[0]
+
+    if key.strip().endswith(":"):
+        key = key[:-1]
+
     if len(frontmatter) < 2:
         val = ""
     else: