diff --git a/formencode/schema.py b/formencode/schema.py
index 967e5a8b..cb5ff7b6 100644
--- a/formencode/schema.py
+++ b/formencode/schema.py
@@ -193,7 +193,7 @@ def _to_python(self, value_dict, state):
                     state.key = name
                 try:
                     new[name] = validator.to_python(value, state)
-                except Invalid as e:
+                except Invalid, e:
                     errors[name] = e
 
             for name in unused:
@@ -216,7 +216,7 @@ def _to_python(self, value_dict, state):
                             state.key = name
                         try:
                             new[name] = validator.to_python(self.if_key_missing, state)
-                        except Invalid as e:
+                        except Invalid, e:
                             errors[name] = e
                 else:
                     new[name] = validator.if_missing
@@ -229,7 +229,7 @@ def _to_python(self, value_dict, state):
                     continue
                 try:
                     validator.validate_partial(value_dict, state)
-                except Invalid as e:
+                except Invalid, e:
                     sub_errors = e.unpack_errors()
                     if not isinstance(sub_errors, dict):
                         # Can't do anything here
@@ -285,7 +285,7 @@ def _from_python(self, value_dict, state):
                         state.key = name
                     try:
                         new[name] = self.fields[name].from_python(value, state)
-                    except Invalid as e:
+                    except Invalid, e:
                         errors[name] = e
 
             del __traceback_info__
@@ -296,7 +296,7 @@ def _from_python(self, value_dict, state):
                     state.key = name
                 try:
                     new[name] = validator.from_python(None, state)
-                except Invalid as e:
+                except Invalid, e:
                     errors[name] = e
 
             if errors:
diff --git a/tests/test_schema.py b/tests/test_schema.py
index ea60ea94..4bc756be 100644
--- a/tests/test_schema.py
+++ b/tests/test_schema.py
@@ -75,7 +75,7 @@ def test(self):
         print repr(self.raw_input)
         try:
             print repr(self.schema.to_python(self.input))
-        except Invalid as e:
+        except Invalid, e:
             actual = e.unpack_errors()
             assert actual == self.output
         else:
@@ -175,11 +175,11 @@ def test_multiple_chained_validators_errors():
     s = ChainedTest()
     try:
         s.to_python({'a':'1', 'a_confirm':'2', 'b':'3', 'b_confirm':'4'})
-    except Invalid as e:
+    except Invalid, e:
         assert 'a_confirm' in e.error_dict and 'b_confirm' in e.error_dict
     try:
         s.to_python({})
-    except Invalid as e:
+    except Invalid:
         pass
     else:
         assert False
@@ -271,7 +271,7 @@ def test_Schema_with_input_missing(self):
         # <input type="checkbox" name="agree" value="yes">
         try:
             self.schema.to_python({})
-        except Invalid as exc:
+        except Invalid, exc:
             error_message = exc.error_dict['agree'].msg
             assert self.not_empty_messages['missing'] == error_message, \
                 error_message