diff --git a/app/src/main/java/exh/EXHMigrations.kt b/app/src/main/java/exh/EXHMigrations.kt
index 8f4c3fdbf..1ee94546d 100644
--- a/app/src/main/java/exh/EXHMigrations.kt
+++ b/app/src/main/java/exh/EXHMigrations.kt
@@ -86,6 +86,39 @@ object EXHMigrations {
             manga.url = getUrlWithoutDomain(manga.url)
         }
 
+        // Allow importing of nhentai extension backups
+        if(manga.source == 3122156392225024195) {
+            manga.source = NHENTAI_SOURCE_ID
+        }
+
+        // Allow importing of Italian PervEden extension backups
+        if(manga.source == 1433898225963724122) {
+            manga.source = PERV_EDEN_IT_SOURCE_ID
+        }
+
+        if(manga.source in listOf(
+                        8100626124886895451,
+                        57122881048805941,
+                        4678440076103929247,
+                        1876021963378735852,
+                        3955189842350477641,
+                        4348288691341764259,
+                        773611868725221145,
+                        5759417018342755550,
+                        825187715438990384,
+                        6116711405602166104,
+                        7151438547982231541,
+                        2171445159732592630,
+                        3032959619549451093,
+                        5980349886941016589,
+                        6073266008352078708,
+                        5499077866612745456,
+                        6140480779421365791
+                )
+        ) {
+            manga.source = EH_SOURCE_ID
+        }
+
         return Observable.just(backupEntry)
     }