diff --git a/frappe/desk/form/load.py b/frappe/desk/form/load.py
index 9e7e818cf0..e6f735e9d7 100644
--- a/frappe/desk/form/load.py
+++ b/frappe/desk/form/load.py
@@ -202,11 +202,13 @@ def get_versions(doc):
 
 @frappe.whitelist()
 def get_communications(doctype, name, start=0, limit=20):
+	from frappe.utils import cint
+
 	doc = frappe.get_doc(doctype, name)
 	if not doc.has_permission("read"):
 		raise frappe.PermissionError
 
-	return _get_communications(doctype, name, start, limit)
+	return _get_communications(doctype, name, cint(start), cint(limit))
 
 
 def get_comments(