diff --git a/frappe/core/doctype/version/version.py b/frappe/core/doctype/version/version.py
index c9d6f8ff6b..25c3c096b6 100644
--- a/frappe/core/doctype/version/version.py
+++ b/frappe/core/doctype/version/version.py
@@ -6,6 +6,7 @@ import json
 import frappe
 from frappe.model import no_value_fields, table_fields
 from frappe.model.document import Document
+from frappe.utils import cstr
 
 FIELDTYPES_TO_IGNORE = frozenset(fieldtype for fieldtype in no_value_fields if fieldtype not in table_fields)
 
@@ -116,6 +117,8 @@ def get_diff(old, new, for_child=False, compare_cancelled=False):
 			continue
 
 		old_value, new_value = old.get(df.fieldname), new.get(df.fieldname)
+		if df.fieldtype in ("Link", "Dynamic Link"):
+			old_value, new_value = cstr(old_value), cstr(new_value)
 
 		if not for_child and df.fieldtype in table_fields:
 			old_rows_by_name = {}