diff --git a/tests/bindings/python/test_generator_profile.py b/tests/bindings/python/test_generator_profile.py
index eb3357ad7..fdc10c052 100644
--- a/tests/bindings/python/test_generator_profile.py
+++ b/tests/bindings/python/test_generator_profile.py
@@ -1742,7 +1742,7 @@ def test_find_root_call_string(self):
         g.setFindRootCallString(False, False, GeneratorProfileTestCase.VALUE)
         self.assertEqual(GeneratorProfileTestCase.VALUE, g.findRootCallString(False, False))
 
-        self.assertEqual('findRoot[INDEX](constants, computedConstants, algebraic);\n', g.findRootCallString(False, True))
+        self.assertEqual('findRoot[INDEX](constants, computedConstants, algebraic, externals);\n', g.findRootCallString(False, True))
         g.setFindRootCallString(False, True, GeneratorProfileTestCase.VALUE)
         self.assertEqual(GeneratorProfileTestCase.VALUE, g.findRootCallString(False, True))
 
@@ -1750,7 +1750,7 @@ def test_find_root_call_string(self):
         g.setFindRootCallString(True, False, GeneratorProfileTestCase.VALUE)
         self.assertEqual(GeneratorProfileTestCase.VALUE, g.findRootCallString(True, False))
 
-        self.assertEqual('findRoot[INDEX](voi, states, rates, constants, computedConstants, algebraic);\n', g.findRootCallString(True, True))
+        self.assertEqual('findRoot[INDEX](voi, states, rates, constants, computedConstants, algebraic, externals);\n', g.findRootCallString(True, True))
         g.setFindRootCallString(True, True, GeneratorProfileTestCase.VALUE)
         self.assertEqual(GeneratorProfileTestCase.VALUE, g.findRootCallString(True, True))