diff --git a/erpnext/selling/report/sales_analytics/sales_analytics.py b/erpnext/selling/report/sales_analytics/sales_analytics.py
index f20f78d741dc30ebe2b33261e76ebee9e1bb1177..17c38bb525736ca3014665eaa6c8906f119e34b4 100644
--- a/erpnext/selling/report/sales_analytics/sales_analytics.py
+++ b/erpnext/selling/report/sales_analytics/sales_analytics.py
@@ -491,8 +491,8 @@ class Analytics:
 		)
 
 		for d in self.group_entries:
-			if d.parent:
-				self.depth_map.setdefault(d.name, self.depth_map.get(d.parent) + 1)
+			if d.parent and (depth_map := self.depth_map.get(d.parent)):  # @dokos
+				self.depth_map.setdefault(d.name, depth_map + 1)  # @dokos
 			else:
 				self.depth_map.setdefault(d.name, 0)
 
@@ -508,8 +508,8 @@ class Analytics:
 		)
 
 		for d in self.group_entries:
-			if d.parent:
-				self.depth_map.setdefault(d.name, self.depth_map.get(d.parent) + 1)
+			if d.parent and (depth_map := self.depth_map.get(d.parent)):  # @dokos
+				self.depth_map.setdefault(d.name, depth_map + 1)  # @dokos
 			else:
 				self.depth_map.setdefault(d.name, 0)