diff --git a/app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadCache.kt b/app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadCache.kt
index 3fed672033..4741d47282 100644
--- a/app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadCache.kt
+++ b/app/src/main/java/eu/kanade/tachiyomi/data/download/DownloadCache.kt
@@ -129,7 +129,7 @@ class DownloadCache(
 
         val sourceDirs = getDirectoryFromPreference().listFiles().orEmpty()
             .associate { it.name to SourceDirectory(it) }.mapNotNullKeys { entry ->
-                onlineSources.find { provider.getSourceDirName(it) == entry.key }?.id
+                onlineSources.find { provider.getSourceDirName(it).toLowerCase() == entry.key?.toLowerCase() }?.id
             }
 
         val db: DatabaseHelper by injectLazy()