diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryController.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryController.kt
index 5402b596d..f21c120f8 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryController.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/library/LibraryController.kt
@@ -44,6 +44,7 @@ import eu.kanade.tachiyomi.util.system.getResourceColor
 import eu.kanade.tachiyomi.util.system.toast
 import exh.favorites.FavoritesIntroDialog
 import exh.favorites.FavoritesSyncStatus
+import exh.source.MERGED_SOURCE_ID
 import exh.source.PERV_EDEN_EN_SOURCE_ID
 import exh.source.PERV_EDEN_IT_SOURCE_ID
 import exh.source.isEhBasedManga
@@ -545,9 +546,13 @@ class LibraryController(
             // SY -->
             R.id.action_migrate -> {
                 val skipPre = preferences.skipPreMigration().get()
-                val selectedMangaIds = selectedMangas.mapNotNull { it.id }
+                val selectedMangaIds = selectedMangas.filterNot { it.source == MERGED_SOURCE_ID }.mapNotNull { it.id }
                 destroyActionModeIfNeeded()
-                PreMigrationController.navigateToMigration(skipPre, router, selectedMangaIds)
+                if (selectedMangaIds.isNotEmpty()) {
+                    PreMigrationController.navigateToMigration(skipPre, router, selectedMangaIds)
+                } else {
+                    activity?.toast(R.string.no_valid_manga)
+                }
             }
             R.id.action_clean -> cleanTitles()
             R.id.action_push_to_mdlist -> pushToMdList()
diff --git a/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaController.kt b/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaController.kt
index d41c7b7b7..49b99bf5b 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaController.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/ui/manga/MangaController.kt
@@ -484,7 +484,7 @@ class MangaController :
         // Hide options for non-library manga
         menu.findItem(R.id.action_edit_categories).isVisible = presenter.manga.favorite && presenter.getCategories().isNotEmpty()
         menu.findItem(R.id.action_edit_cover).isVisible = /* SY --> */ false /* presenter.manga.favorite SY <-- */
-        menu.findItem(R.id.action_migrate).isVisible = presenter.manga.favorite
+        menu.findItem(R.id.action_migrate).isVisible = presenter.manga.favorite /* SY --> */ && presenter.manga.source != MERGED_SOURCE_ID /* SY <-- */
 
         // SY -->
         menu.findItem(R.id.action_edit).isVisible = presenter.manga.favorite || isLocalSource
diff --git a/app/src/main/res/values/strings_sy.xml b/app/src/main/res/values/strings_sy.xml
index 154d8ac59..ad77d16bf 100644
--- a/app/src/main/res/values/strings_sy.xml
+++ b/app/src/main/res/values/strings_sy.xml
@@ -384,6 +384,9 @@
     </plurals>
 
     <!-- Library -->
+    <!-- Library Actions -->
+    <string name="no_valid_manga">No valid manga selected</string>
+
     <!-- Library Sheet -->
     <string name="tracked">Tracked</string>
     <string name="lewd">Lewd</string>