diff --git a/todoist_github/cli.py b/todoist_github/cli.py
index b3bba8f..97b75d2 100755
--- a/todoist_github/cli.py
+++ b/todoist_github/cli.py
@@ -60,7 +60,10 @@ def main():
     for task in todoist_tasks.values():
         if not is_task_completed(task) or task["id"] in tasks_actioned:
             continue
-        org, repo, issue_number = get_github_issue_details(task["content"])
+        issue_details = get_github_issue_details(task["content"])
+        if not issue_details:
+            continue
+        org, repo, issue_number = issue_details
         issue = get_issue(me, org, repo, issue_number)
         me_assigned = me.login in {assignee.login for assignee in issue.assignees}
         if not me_assigned:
diff --git a/todoist_github/utils.py b/todoist_github/utils.py
index 27aa207..ff5c412 100644
--- a/todoist_github/utils.py
+++ b/todoist_github/utils.py
@@ -19,6 +19,7 @@ def get_github_task(content) -> Optional[str]:
             parsed_url.path
         ):
             return url
+    return None
 
 
 def get_github_issue_details(content):
@@ -27,6 +28,8 @@ def get_github_issue_details(content):
         return
     parsed_url = urlparse(url)
     match = GITHUB_ISSUE_PR_RE.search(parsed_url.path)
+    if not match:
+        return
     return match.group(1), match.group(2), match.group(4)