diff --git a/erpnext/buying/doctype/supplier/supplier.js b/erpnext/buying/doctype/supplier/supplier.js
index 93fa566dc74..a27244d1528 100644
--- a/erpnext/buying/doctype/supplier/supplier.js
+++ b/erpnext/buying/doctype/supplier/supplier.js
@@ -41,18 +41,20 @@ frappe.ui.form.on("Supplier", {
 
 		frm.set_query("supplier_primary_contact", function (doc) {
 			return {
-				query: "erpnext.buying.doctype.supplier.supplier.get_supplier_primary_contact",
+				query: "erpnext.buying.doctype.supplier.supplier.get_supplier_primary",
 				filters: {
 					supplier: doc.name,
+					type: "Contact",
 				},
 			};
 		});
 
 		frm.set_query("supplier_primary_address", function (doc) {
 			return {
+				query: "erpnext.buying.doctype.supplier.supplier.get_supplier_primary",
 				filters: {
-					link_doctype: "Supplier",
-					link_name: doc.name,
+					supplier: doc.name,
+					type: "Address",
 				},
 			};
 		});
diff --git a/erpnext/buying/doctype/supplier/supplier.py b/erpnext/buying/doctype/supplier/supplier.py
index 3b72953c563..07a2d31166b 100644
--- a/erpnext/buying/doctype/supplier/supplier.py
+++ b/erpnext/buying/doctype/supplier/supplier.py
@@ -215,19 +215,25 @@ class Supplier(TransactionBase):
 
 @frappe.whitelist()
 @frappe.validate_and_sanitize_search_inputs
-def get_supplier_primary_contact(doctype, txt, searchfield, start, page_len, filters):
+def get_supplier_primary(doctype, txt, searchfield, start, page_len, filters):
 	supplier = filters.get("supplier")
-	contact = frappe.qb.DocType("Contact")
+	type = filters.get("type")
+	type_doctype = frappe.qb.DocType(type)
 	dynamic_link = frappe.qb.DocType("Dynamic Link")
 
-	return (
-		frappe.qb.from_(contact)
+	query = (
+		frappe.qb.from_(type_doctype)
 		.join(dynamic_link)
-		.on(contact.name == dynamic_link.parent)
-		.select(contact.name, contact.email_id)
+		.on(type_doctype.name == dynamic_link.parent)
+		.select(type_doctype.name)
 		.where(
 			(dynamic_link.link_name == supplier)
 			& (dynamic_link.link_doctype == "Supplier")
-			& (contact.name.like(f"%{txt}%"))
+			& (type_doctype.name.like(f"%{txt}%"))
 		)
-	).run(as_dict=False)
+	)
+
+	if type == "Contact":
+		query = query.select(type_doctype.email_id)
+
+	return query.run()
diff --git a/erpnext/selling/doctype/customer/customer.js b/erpnext/selling/doctype/customer/customer.js
index 598452276cc..f5a2009e551 100644
--- a/erpnext/selling/doctype/customer/customer.js
+++ b/erpnext/selling/doctype/customer/customer.js
@@ -55,17 +55,20 @@ frappe.ui.form.on("Customer", {
 
 		frm.set_query("customer_primary_contact", function (doc) {
 			return {
-				query: "erpnext.selling.doctype.customer.customer.get_customer_primary_contact",
+				query: "erpnext.selling.doctype.customer.customer.get_customer_primary",
 				filters: {
 					customer: doc.name,
+					type: "Contact",
 				},
 			};
 		});
+
 		frm.set_query("customer_primary_address", function (doc) {
 			return {
+				query: "erpnext.selling.doctype.customer.customer.get_customer_primary",
 				filters: {
-					link_doctype: "Customer",
-					link_name: doc.name,
+					customer: doc.name,
+					type: "Address",
 				},
 			};
 		});
diff --git a/erpnext/selling/doctype/customer/customer.json b/erpnext/selling/doctype/customer/customer.json
index a04b9c414cf..dff5984feec 100644
--- a/erpnext/selling/doctype/customer/customer.json
+++ b/erpnext/selling/doctype/customer/customer.json
@@ -610,7 +610,11 @@
    "link_fieldname": "party"
   }
  ],
+<<<<<<< HEAD
  "modified": "2025-03-05 10:01:47.885574",
+=======
+ "modified": "2025-11-25 09:35:56.772949",
+>>>>>>> c2b8b97d7d (fix: incorrect query filter when selecting primary customer adr (#50727))
  "modified_by": "Administrator",
  "module": "Selling",
  "name": "Customer",
diff --git a/erpnext/selling/doctype/customer/customer.py b/erpnext/selling/doctype/customer/customer.py
index 466009c772a..449b56de3b4 100644
--- a/erpnext/selling/doctype/customer/customer.py
+++ b/erpnext/selling/doctype/customer/customer.py
@@ -800,21 +800,29 @@ def make_address(args, is_primary_address=1, is_shipping_address=1):
 
 @frappe.whitelist()
 @frappe.validate_and_sanitize_search_inputs
-def get_customer_primary_contact(doctype, txt, searchfield, start, page_len, filters):
+def get_customer_primary(doctype, txt, searchfield, start, page_len, filters):
 	customer = filters.get("customer")
-
-	con = qb.DocType("Contact")
+	type = filters.get("type")
+	type_doctype = qb.DocType(type)
 	dlink = qb.DocType("Dynamic Link")
 
-	return (
-		qb.from_(con)
+	query = (
+		qb.from_(type_doctype)
 		.join(dlink)
-		.on(con.name == dlink.parent)
-		.select(con.name, con.email_id)
-		.where((dlink.link_name == customer) & (con.name.like(f"%{txt}%")))
-		.run()
+		.on(type_doctype.name == dlink.parent)
+		.select(type_doctype.name)
+		.where(
+			(dlink.link_name == customer)
+			& (type_doctype.name.like(f"%{txt}%"))
+			& (dlink.link_doctype == "Customer")
+		)
 	)
 
+	if type == "Contact":
+		query = query.select(type_doctype.email_id)
+
+	return query.run()
+
 
 def parse_full_name(full_name: str) -> tuple[str, str | None, str | None]:
 	"""Parse full name into first name, middle name and last name"""