diff --git a/server/src/main/kotlin/ir/armor/tachidesk/Main.kt b/server/src/main/kotlin/ir/armor/tachidesk/Main.kt
index a032ca7..4037123 100644
--- a/server/src/main/kotlin/ir/armor/tachidesk/Main.kt
+++ b/server/src/main/kotlin/ir/armor/tachidesk/Main.kt
@@ -166,7 +166,6 @@ class Main {
             // removes the manga from the library
             app.delete("api/v1/manga/:mangaId/library") { ctx ->
                 val mangaId = ctx.pathParam("mangaId").toInt()
-                println("fuck")
                 removeMangaFromLibrary(mangaId)
                 ctx.status(200)
             }
diff --git a/server/src/main/kotlin/ir/armor/tachidesk/util/Library.kt b/server/src/main/kotlin/ir/armor/tachidesk/util/Library.kt
index 97abcec..dd390e8 100644
--- a/server/src/main/kotlin/ir/armor/tachidesk/util/Library.kt
+++ b/server/src/main/kotlin/ir/armor/tachidesk/util/Library.kt
@@ -25,7 +25,7 @@ fun addMangaToLibrary(mangaId: Int) {
 
 fun removeMangaFromLibrary(mangaId: Int) {
     val manga = getManga(mangaId)
-    if (!manga.inLibrary) {
+    if (manga.inLibrary) {
         transaction {
             MangaTable.update({ MangaTable.id eq manga.id }) {
                 it[inLibrary] = false