diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/SourceController.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/SourceController.kt
index 2c604992c7..95556100b4 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/SourceController.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/SourceController.kt
@@ -28,7 +28,7 @@ import eu.kanade.tachiyomi.ui.browse.source.browse.BrowseSourceController
 import eu.kanade.tachiyomi.ui.browse.source.globalsearch.GlobalSearchController
 import eu.kanade.tachiyomi.ui.browse.source.latest.LatestUpdatesController
 import eu.kanade.tachiyomi.ui.setting.SettingsSourcesController
-import kotlinx.coroutines.flow.filter
+import kotlinx.coroutines.flow.filterIsInstance
 import kotlinx.coroutines.flow.launchIn
 import kotlinx.coroutines.flow.onEach
 import reactivecircus.flowbinding.appcompat.QueryTextEvent
@@ -208,7 +208,7 @@ class SourceController :
 
         // Create query listener which opens the global search view.
         searchView.queryTextEvents()
-            .filter { it is QueryTextEvent.QuerySubmitted }
+            .filterIsInstance<QueryTextEvent.QuerySubmitted>()
             .onEach { performGlobalSearch(it.queryText.toString()) }
             .launchIn(scope)
     }
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/BrowseSourceController.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/BrowseSourceController.kt
index 001471920d..9211f957b9 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/BrowseSourceController.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/browse/BrowseSourceController.kt
@@ -45,6 +45,7 @@ import eu.kanade.tachiyomi.util.view.visible
 import eu.kanade.tachiyomi.widget.AutofitRecyclerView
 import eu.kanade.tachiyomi.widget.EmptyView
 import kotlinx.coroutines.flow.filter
+import kotlinx.coroutines.flow.filterIsInstance
 import kotlinx.coroutines.flow.launchIn
 import kotlinx.coroutines.flow.onEach
 import reactivecircus.flowbinding.appcompat.QueryTextEvent
@@ -251,7 +252,7 @@ open class BrowseSourceController(bundle: Bundle) :
 
         searchView.queryTextEvents()
             .filter { router.backstack.lastOrNull()?.controller() == this@BrowseSourceController }
-            .filter { it is QueryTextEvent.QuerySubmitted }
+            .filterIsInstance<QueryTextEvent.QuerySubmitted>()
             .onEach { searchWithQuery(it.queryText.toString()) }
             .launchIn(scope)
 
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/globalsearch/GlobalSearchController.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/globalsearch/GlobalSearchController.kt
index be1da5ecdd..68656da18c 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/globalsearch/GlobalSearchController.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/browse/source/globalsearch/GlobalSearchController.kt
@@ -16,7 +16,7 @@ import eu.kanade.tachiyomi.source.CatalogueSource
 import eu.kanade.tachiyomi.ui.base.controller.NucleusController
 import eu.kanade.tachiyomi.ui.base.controller.withFadeTransaction
 import eu.kanade.tachiyomi.ui.manga.MangaController
-import kotlinx.coroutines.flow.filter
+import kotlinx.coroutines.flow.filterIsInstance
 import kotlinx.coroutines.flow.launchIn
 import kotlinx.coroutines.flow.onEach
 import reactivecircus.flowbinding.appcompat.QueryTextEvent
@@ -115,7 +115,7 @@ open class GlobalSearchController(
         })
 
         searchView.queryTextEvents()
-            .filter { it is QueryTextEvent.QuerySubmitted }
+            .filterIsInstance<QueryTextEvent.QuerySubmitted>()
             .onEach {
                 presenter.search(it.queryText.toString())
                 searchItem.collapseActionView()