diff --git a/launcher-gtk/src/main/kotlin/io/gitlab/jfronny/inceptum/gtk/window/settings/instance/ModsTab.kt b/launcher-gtk/src/main/kotlin/io/gitlab/jfronny/inceptum/gtk/window/settings/instance/ModsTab.kt
index 0dd440b..fb10d5b 100644
--- a/launcher-gtk/src/main/kotlin/io/gitlab/jfronny/inceptum/gtk/window/settings/instance/ModsTab.kt
+++ b/launcher-gtk/src/main/kotlin/io/gitlab/jfronny/inceptum/gtk/window/settings/instance/ModsTab.kt
@@ -82,17 +82,24 @@ class ModsTab(window: InstanceSettingsWindow) : SettingsTab<Leaflet, InstanceSet
                 //TODO content
             })
 
+            var previous: List<String> = emptyList()
             addTickCallback { _, _ ->
                 val toShow = mutableListOf<String>()
+                var contentChanged = false
+                fun discover(state: ModState) {
+                    if (mods.put(state.name, state) != state) {
+                        contentChanged = true
+                    }
+                    toShow.add(state.name)
+                }
                 if (page == Page.LOCAL) {
                     loadingRevealer.setRunning(!mds.isComplete(ScanStage.DISCOVER))
                     val mods = window.instance.mds.mods // avoid instance.mods to allow rendering before MDS is finished
                     loadingRevealer.setProgress((mods.filter { mds.hasScanned(it) }.size.toDouble() / mods.size))
                     for (mod in mods) {
+                        //TODO improve this search
                         if (mod.name.contains(currentSearchString, true)) {
-                            //TODO improve this search
-                            this@ModsTab.mods[mod.name] = ModState.Installed(mod)
-                            toShow.add(mod.name)
+                            discover(ModState.Installed(mod))
                         }
                     }
                 } else {
@@ -100,12 +107,14 @@ class ModsTab(window: InstanceSettingsWindow) : SettingsTab<Leaflet, InstanceSet
                     loadingRevealer.pulse()
                     if (searchResult != null) {
                         for (mod in searchResult.orEmpty()) {
-                            this@ModsTab.mods[mod.name] = mod
-                            toShow.add(mod.name)
+                            discover(mod)
                         }
                     }
                 }
-                listModel.replaceAll(toShow.toTypedArray())
+                if (toShow != previous || contentChanged) {
+                    listModel.replaceAll(toShow.toTypedArray())
+                    previous = toShow
+                }
                 GLib.SOURCE_CONTINUE
             }
         }