diff --git a/app/templates/modal/terrain_randomise.jade b/app/templates/modal/terrain_randomise.jade
index 680af187c..9ac509c68 100644
--- a/app/templates/modal/terrain_randomise.jade
+++ b/app/templates/modal/terrain_randomise.jade
@@ -11,4 +11,5 @@ block modal-body-content
             span(data-i18n="ladder.small") Small
           div.preset-name
             span(data-i18n="ladder.grassy") Grassy
-    //- for model in models
\ No newline at end of file
+    //- for model in models
+block modal-footer
diff --git a/app/views/editor/level/thangs_tab_view.coffee b/app/views/editor/level/thangs_tab_view.coffee
index 010b38b50..e594b00be 100644
--- a/app/views/editor/level/thangs_tab_view.coffee
+++ b/app/views/editor/level/thangs_tab_view.coffee
@@ -228,6 +228,7 @@ module.exports = class ThangsTabView extends View
     for thang in e.thangs
       @selectAddThangType thang.id
       @addThang @addThangType, thang.pos
+    @selectAddThangType null
 
   # TODO: figure out a good way to have all Surface clicks and Treema clicks just proxy in one direction, so we can maintain only one way of handling selection and deletion
   onExtantThangSelected: (e) ->
diff --git a/app/views/modal/terrain_randomise_modal.coffee b/app/views/modal/terrain_randomise_modal.coffee
index 94b4676fb..d737f929f 100644
--- a/app/views/modal/terrain_randomise_modal.coffee
+++ b/app/views/modal/terrain_randomise_modal.coffee
@@ -91,6 +91,7 @@ module.exports = class TerrainRandomiseModal extends ModalView
     Backbone.Mediator.publish('randomise:terrain-generated', 
       'thangs': @thangs
     )
+    @hide()
 
   randomiseThangs: (presetName, presetSize) ->
     preset = presets[presetName]