diff -Nur -X/mnt/data/freeciv-dev/freeciv/diff_ignore freeciv/client/gui-gtk/citydlg.c codeciv/client/gui-gtk/citydlg.c
--- freeciv/client/gui-gtk/citydlg.c	Fri Apr  6 20:19:15 2001
+++ codeciv/client/gui-gtk/citydlg.c	Fri Apr  6 20:38:21 2001
@@ -222,7 +222,11 @@
   CITY_DIALOG_HEIGHT = 2*SMALL_TILE_HEIGHT + canvas_height
 	+ 3*NORMAL_TILE_HEIGHT + 160;
 
-  NUM_UNITS_SHOWN = CITY_DIALOG_WIDTH/NORMAL_TILE_WIDTH-1;
+  if (is_isometric) {
+    NUM_UNITS_SHOWN = CITY_DIALOG_WIDTH/UNIT_TILE_WIDTH-1;
+  } else {
+    NUM_UNITS_SHOWN = CITY_DIALOG_WIDTH/(UNIT_TILE_WIDTH + UNIT_TILE_WIDTH/2)-1;
+  }
 
   city_dialogs_have_been_initialised=1;
 }