diff --git a/app/src/main/java/mihon/feature/migration/list/search/BaseSmartSearchEngine.kt b/app/src/main/java/mihon/feature/migration/list/search/BaseSmartSearchEngine.kt
index 5ea201300..b0bc59514 100644
--- a/app/src/main/java/mihon/feature/migration/list/search/BaseSmartSearchEngine.kt
+++ b/app/src/main/java/mihon/feature/migration/list/search/BaseSmartSearchEngine.kt
@@ -41,8 +41,8 @@ abstract class BaseSmartSearchEngine<T>(
         val eligibleManga = supervisorScope {
             queries.map { query ->
                 async(Dispatchers.Default) {
-                    val builtQuery = if (extraSearchParams != null) {
-                        "$query ${extraSearchParams.trim()}"
+                    val builtQuery = if (!extraSearchParams.isNullOrBlank()) {
+                        "$query $extraSearchParams"
                     } else {
                         query
                     }
diff --git a/app/src/main/java/mihon/feature/migration/list/search/SmartSourceSearchEngine.kt b/app/src/main/java/mihon/feature/migration/list/search/SmartSourceSearchEngine.kt
index 82ee6254e..8a801b2f1 100644
--- a/app/src/main/java/mihon/feature/migration/list/search/SmartSourceSearchEngine.kt
+++ b/app/src/main/java/mihon/feature/migration/list/search/SmartSourceSearchEngine.kt
@@ -1,7 +1,6 @@
 package mihon.feature.migration.list.search
 
 import eu.kanade.tachiyomi.source.CatalogueSource
-import eu.kanade.tachiyomi.source.model.FilterList
 import eu.kanade.tachiyomi.source.model.SManga
 import mihon.domain.manga.model.toDomainManga
 import tachiyomi.domain.manga.model.Manga
@@ -23,6 +22,6 @@ class SmartSourceSearchEngine(extraSearchParams: String?) : BaseSmartSearchEngin
     }
 
     private fun makeSearchAction(source: CatalogueSource): SearchAction<SManga> = { query ->
-        source.getSearchManga(1, query, FilterList()).mangas
+        source.getSearchManga(1, query, source.getFilterList()).mangas
     }
 }