diff --git a/community/hackathon/doctype/community_project_member/community_project_member.py b/community/hackathon/doctype/community_project_member/community_project_member.py
index a0842b2d..50fb2d4a 100644
--- a/community/hackathon/doctype/community_project_member/community_project_member.py
+++ b/community/hackathon/doctype/community_project_member/community_project_member.py
@@ -7,7 +7,7 @@ from __future__ import unicode_literals
 from frappe.model.document import Document
 
 class CommunityProjectMember(Document):
-	def validate(self):
+    def validate(self):
         self.validate_if_already_member()
     
     def validate_if_already_member(self):