diff --git a/docs/changelog.txt b/docs/changelog.txt
index b02403a88c..67f4885dd8 100644
--- a/docs/changelog.txt
+++ b/docs/changelog.txt
@@ -80,6 +80,7 @@ Template for new versions:
 - `dwarfvet`: automatically unassign animals from pastures when they need treatment so they can make their way to the hospital. reassign them to their original pasture when treatment is complete.
 - `dwarfvet`: ignore animals assigned to cages or restraints
 - Many tools that previously only worked for citizens or only for dwarves now work for all citizens and residents, e.g. `fastdwarf`, `rejuvenate`, etc.
+- `buildingplan`: persist hiding of unavailable materials between filterselection invocations
 
 ## Documentation
 - `overlay-dev-guide`: updated examples and troubleshooting steps
diff --git a/plugins/lua/buildingplan/filterselection.lua b/plugins/lua/buildingplan/filterselection.lua
index 3db58155e0..c6e043d249 100644
--- a/plugins/lua/buildingplan/filterselection.lua
+++ b/plugins/lua/buildingplan/filterselection.lua
@@ -7,6 +7,9 @@ local widgets = require('gui.widgets')
 local uibs = df.global.buildreq
 local to_pen = dfhack.pen.parse
 
+-- persist hiding of unavailable materials between invocations
+hide_unavailable = hide_unavailable or false
+
 local function get_cur_filters()
     return dfhack.buildings.getFiltersByType({}, uibs.building_type,
             uibs.building_subtype, uibs.custom_type)
@@ -88,8 +91,11 @@ function QualityAndMaterialsPage:init()
                     frame={l=0, t=4, w=24},
                     label='Hide unavailable:',
                     key='CUSTOM_SHIFT_H',
-                    initial_option=false,
-                    on_change=function() self.dirty = true end,
+                    initial_option=hide_unavailabe,
+                    on_change=function(new,old)
+                        hide_unavailabe = new
+                        self.dirty = true
+                    end,
                 },
                 widgets.EditField{
                     view_id='search',