diff --git a/modules/comscripts/comgendb.py b/modules/comscripts/comgendb.py
index d35e970..bec611b 100755
--- a/modules/comscripts/comgendb.py
+++ b/modules/comscripts/comgendb.py
@@ -160,23 +160,6 @@ class comgendb(ctools.cscript):
         # Return relative path
         return relpath
 
-    def _tjd_start(self, element):
-        """
-        Return 'tjd_start' value from dictionary
-
-        Parameters
-        ----------
-        element : dict
-            Element of list
-
-        Returns
-        -------
-        tjd_start : float
-            Value of element['tjd_start']
-        """
-        # Return
-        return element.get('tjd_start')
-
     def _get_evp_list(self):
         """
         Get EVP list
@@ -209,7 +192,7 @@ class comgendb(ctools.cscript):
                 evp_list.extend(evps)
 
         # Sort EVP list by start day
-        evp_list.sort(key=self._tjd_start)
+        evp_list.sort(lambda x,y : cmp(x['tjd_start'], y['tjd_start']))
 
         # Return EVP list
         return evp_list
@@ -291,7 +274,7 @@ class comgendb(ctools.cscript):
             evp_list.append(evp_dict)
 
         # Sort EVP list by start day
-        evp_list.sort(key=self._tjd_start)
+        evp_list.sort(lambda x,y : cmp(x['tjd_start'], y['tjd_start']))
 
         # Return EVP list
         return evp_list
@@ -443,7 +426,7 @@ class comgendb(ctools.cscript):
                 oad_list.extend(oads)
 
         # Sort OAD list by start day
-        oad_list.sort(key=self._tjd_start)
+        oad_list.sort(lambda x,y : cmp(x['tjd_start'], y['tjd_start']))
 
         # Return OAD list
         return oad_list
@@ -505,7 +488,7 @@ class comgendb(ctools.cscript):
             oad_list.append(oad_dict)
 
         # Sort OAD list by start day
-        oad_list.sort(key=self._tjd_start)
+        oad_list.sort(lambda x,y : cmp(x['tjd_start'], y['tjd_start']))
 
         # Return OAD list
         return oad_list
@@ -630,7 +613,7 @@ class comgendb(ctools.cscript):
                 tim_list.extend(tims)
 
         # Sort TIM list by start day
-        tim_list.sort(key=self._tjd_start)
+        tim_list.sort(lambda x,y : cmp(x['tjd_start'], y['tjd_start']))
 
         # Return TIM list
         return tim_list
@@ -691,8 +674,8 @@ class comgendb(ctools.cscript):
             # Append dictionary
             tim_list.append(tim_dict)
 
-        # Sort OAD list by start day
-        tim_list.sort(key=self._tjd_start)
+        # Sort TIM list by start day
+        tim_list.sort(lambda x,y : cmp(x['tjd_start'], y['tjd_start']))
 
         # Return TIM list
         return tim_list
@@ -841,7 +824,7 @@ class comgendb(ctools.cscript):
                     xml_list.append(xml)
 
         # Sort XML list by start day
-        xml_list.sort(key=self._tjd_start)
+        xml_list.sort(lambda x,y : cmp(x['tjd_start'], y['tjd_start']))
 
         # Return XML list
         return xml_list
@@ -1228,7 +1211,7 @@ class comgendb(ctools.cscript):
                     oads.append(oad)
 
         # Sort OAD list by start day
-        oads.sort(key=self._tjd_start)
+        oads.sort(lambda x,y : cmp(x['tjd_start'], y['tjd_start']))
 
         # Return OADs
         return oads