diff --git a/TermTk/TTkWidgets/apptemplate.py b/TermTk/TTkWidgets/apptemplate.py
index b9cc42e5..a9b08d24 100644
--- a/TermTk/TTkWidgets/apptemplate.py
+++ b/TermTk/TTkWidgets/apptemplate.py
@@ -388,18 +388,18 @@ class TTkAppTemplate(TTkContainer):
 
         # Define Splitter geometries
         w,h = self.size()
-        spl[loc:=TTkAppTemplate.HEADER] = None if not bh else {'pos':(0   , bm+sh                      ) ,'size':w     , 'fixed':fh  }
-        spl[loc:=TTkAppTemplate.FOOTER] = None if not bf else {'pos':(0   , bm+sh+bh+st+bt+newszh+bb+sb) ,'size':w     , 'fixed':ff  }
+        spl[TTkAppTemplate.HEADER] = None if not bh else {'pos':(0   , bm+sh                      ) ,'size':w     , 'fixed':fh  }
+        spl[TTkAppTemplate.FOOTER] = None if not bf else {'pos':(0   , bm+sh+bh+st+bt+newszh+bb+sb) ,'size':w     , 'fixed':ff  }
 
         ca = sh                          + (bm if ph else 0 )
         cb = bm+sh+bh+st+bt+newszh+bb+sb + (bf if pf else bm)
-        spl[loc:=TTkAppTemplate.LEFT]   = None if not bl else {'pos':(bm+sl           , ca             ) ,'size':cb-ca , 'fixed':fl  }
-        spl[loc:=TTkAppTemplate.RIGHT]  = None if not br else {'pos':(bm+sl+bl+newszw , ca             ) ,'size':cb-ca , 'fixed':fr  }
+        spl[TTkAppTemplate.LEFT]   = None if not bl else {'pos':(bm+sl           , ca             ) ,'size':cb-ca , 'fixed':fl  }
+        spl[TTkAppTemplate.RIGHT]  = None if not br else {'pos':(bm+sl+bl+newszw , ca             ) ,'size':cb-ca , 'fixed':fr  }
 
         ca = sl              + (bm if pl else 0 )
         cb = bm+sl+bl+newszw + (br if pr else bm)
-        spl[loc:=TTkAppTemplate.TOP]    = None if not bt else {'pos':(ca        , bm+sh+bh+st          ) ,'size':cb-ca , 'fixed':ft }
-        spl[loc:=TTkAppTemplate.BOTTOM] = None if not bb else {'pos':(ca        , bm+sh+bh+st+bt+newszh) ,'size':cb-ca , 'fixed':fb }
+        spl[TTkAppTemplate.TOP]    = None if not bt else {'pos':(ca        , bm+sh+bh+st          ) ,'size':cb-ca , 'fixed':ft }
+        spl[TTkAppTemplate.BOTTOM] = None if not bb else {'pos':(ca        , bm+sh+bh+st+bt+newszh) ,'size':cb-ca , 'fixed':fb }
 
         self.update()