diff --git a/tabellio/searchform/cmpfunctions.py b/tabellio/searchform/cmpfunctions.py
index dcf6cab..b8b0e47 100644
--- a/tabellio/searchform/cmpfunctions.py
+++ b/tabellio/searchform/cmpfunctions.py
@@ -29,6 +29,25 @@ class Cmp:
                     t = cmp(x.nodoc, y.nodoc)
         return t
 
+    def cmp_multitype(self, x, y):
+        type_x = 'ZZZZ'
+        type_y = 'ZZZZ'
+        for attr in ('doctype', 'dostype', 'questype'):
+            if hasattr(x, attr) and getattr(x, attr) not in (None, Missing.Value):
+                dtype = getattr(x, attr)
+                type_x = normalizer.normalize(MAPPING.get(dtype, dtype))
+            if hasattr(y, attr) and getattr(y, attr) not in (None, Missing.Value):
+                dtype = getattr(y, attr)
+                type_y = normalizer.normalize(MAPPING.get(dtype, dtype))
+        t = cmp(type_x, type_y)
+        if t == 0:
+            t = -cmp(x.session, y.session)
+            if t == 0:
+                t = -cmp(x.no, y.no)
+                if t == 0:
+                    t = cmp(x.nodoc, y.nodoc)
+        return t
+
     _ordered_sessions = None
     def ordered_sessions(self):
         if self._ordered_sessions: return self._ordered_sessions
diff --git a/tabellio/searchform/simple.py b/tabellio/searchform/simple.py
index 966b537..44cc561 100644
--- a/tabellio/searchform/simple.py
+++ b/tabellio/searchform/simple.py
@@ -128,7 +128,7 @@ class SimpleSearchView(BrowserView):
         if sorton == 'session':
             cmpf = cmpfunctions.Cmp().cmp_session
         elif sorton == 'type':
-            cmpf = cmpfunctions.Cmp().cmp_doctype
+            cmpf = cmpfunctions.Cmp().cmp_multitype
         elif sorton == 'number':
             cmpf = cmpfunctions.Cmp().cmp_number
         return sorted(c, cmpf);