diff --git a/product/ERP5/tests/testSupply.py b/product/ERP5/tests/testSupply.py
index 818423fd8d8f8813425ec2498b6dfedb6b259eb7..c1c4c9dbeb7779e5f77a708e48842b96312bf30a 100644
--- a/product/ERP5/tests/testSupply.py
+++ b/product/ERP5/tests/testSupply.py
@@ -253,8 +253,22 @@ class TestPurchaseSupply(TestSaleSupply):
   def getTitle(self):
     return "Purchase Supply"
 
+class TestInternalSupply(TestSaleSupply):
+  """
+    Test Internal Supplies usage
+  """
+  run_all_test = 1
+
+  supply_portal_type = 'Internal Supply'
+  supply_line_portal_type = 'Internal Supply Line'
+  supply_cell_portal_type = 'Internal Supply Cell'
+
+  def getTitle(self):
+    return "Internal Supply"
+
 def test_suite():
   suite = unittest.TestSuite()
   suite.addTest(unittest.makeSuite(TestSaleSupply))
   suite.addTest(unittest.makeSuite(TestPurchaseSupply))
+  suite.addTest(unittest.makeSuite(TestInternalSupply))
   return suite