diff --git a/india_compliance/gst_india/overrides/sales_invoice.py b/india_compliance/gst_india/overrides/sales_invoice.py
index 4619b3044..d1393a1ef 100644
--- a/india_compliance/gst_india/overrides/sales_invoice.py
+++ b/india_compliance/gst_india/overrides/sales_invoice.py
@@ -357,7 +357,9 @@ def set_and_validate_advances_with_gst(doc):
         allocated_amount_with_taxes += advance.allocated_amount
 
     excess_allocation = flt(
-        flt(allocated_amount_with_taxes, 2) - (doc.rounded_total or doc.grand_total), 2
+        flt(allocated_amount_with_taxes, 2)
+        - (doc.base_rounded_total or doc.base_grand_total),
+        2,
     )
     if excess_allocation > 0:
         message = _(