diff --git a/erpnext/patches/patch_list.py b/erpnext/patches/patch_list.py
index 5e6a504..3099456 100644
--- a/erpnext/patches/patch_list.py
+++ b/erpnext/patches/patch_list.py
@@ -217,5 +217,10 @@
 		'patch_file': 'mapper_fix',
 		'description': 'DN-RV duplicate table entry'
 	},
+	{
+		'patch_module': 'patches.mar_2012',
+		'patch_file': 'so_rv_mapper_fix',
+		'description': 'SO-RV duplicate mapper entry removal'
+	},
 
 ]