diff --git a/komga/src/main/kotlin/org/gotson/komga/domain/service/SeriesLifecycle.kt b/komga/src/main/kotlin/org/gotson/komga/domain/service/SeriesLifecycle.kt
index 50893f50d..da9ac179f 100644
--- a/komga/src/main/kotlin/org/gotson/komga/domain/service/SeriesLifecycle.kt
+++ b/komga/src/main/kotlin/org/gotson/komga/domain/service/SeriesLifecycle.kt
@@ -28,6 +28,7 @@ import org.gotson.komga.domain.persistence.SeriesCollectionRepository
 import org.gotson.komga.domain.persistence.SeriesMetadataRepository
 import org.gotson.komga.domain.persistence.SeriesRepository
 import org.gotson.komga.domain.persistence.ThumbnailSeriesRepository
+import org.gotson.komga.infrastructure.language.stripAccents
 import org.springframework.stereotype.Service
 import org.springframework.transaction.support.TransactionTemplate
 import java.io.File
@@ -54,6 +55,8 @@ class SeriesLifecycle(
   private val transactionTemplate: TransactionTemplate,
 ) {
 
+  private val whitespacePattern = """\s+""".toRegex()
+
   fun sortBooks(series: Series) {
     logger.debug { "Sorting books for $series" }
 
@@ -63,7 +66,14 @@ class SeriesLifecycle(
     logger.debug { "Existing metadata: $metadatas" }
 
     val sorted = books
-      .sortedWith(compareBy(natSortComparator) { it.name })
+      .sortedWith(
+        compareBy(natSortComparator) {
+          it.name
+            .trim()
+            .stripAccents()
+            .replace(whitespacePattern, " ")
+        }
+      )
       .map { book -> book to metadatas.first { it.bookId == book.id } }
     logger.debug { "Sorted books: $sorted" }
 
diff --git a/komga/src/test/kotlin/org/gotson/komga/domain/service/SeriesLifecycleTest.kt b/komga/src/test/kotlin/org/gotson/komga/domain/service/SeriesLifecycleTest.kt
index 7ab521492..52e890c8b 100644
--- a/komga/src/test/kotlin/org/gotson/komga/domain/service/SeriesLifecycleTest.kt
+++ b/komga/src/test/kotlin/org/gotson/komga/domain/service/SeriesLifecycleTest.kt
@@ -72,9 +72,11 @@ class SeriesLifecycleTest(
     // given
     val books = listOf(
       makeBook("book 1", libraryId = library.id),
-      makeBook("book 05", libraryId = library.id),
-      makeBook("book 6", libraryId = library.id),
-      makeBook("book 002", libraryId = library.id)
+      makeBook("boôk 05", libraryId = library.id),
+      makeBook("  book 3", libraryId = library.id),
+      makeBook("book   4   ", libraryId = library.id),
+      makeBook("book  6", libraryId = library.id),
+      makeBook("book  002", libraryId = library.id)
     )
     val createdSeries = makeSeries(name = "series", libraryId = library.id).let {
       seriesLifecycle.createSeries(it)
@@ -86,11 +88,11 @@ class SeriesLifecycleTest(
 
     // then
     assertThat(seriesRepository.count()).isEqualTo(1)
-    assertThat(bookRepository.count()).isEqualTo(4)
+    assertThat(bookRepository.count()).isEqualTo(6)
 
     val savedBooks = bookRepository.findAllBySeriesId(createdSeries.id).sortedBy { it.number }
-    assertThat(savedBooks.map { it.name }).containsExactly("book 1", "book 002", "book 05", "book 6")
-    assertThat(savedBooks.map { it.number }).containsExactly(1, 2, 3, 4)
+    assertThat(savedBooks.map { it.name }).containsExactly("book 1", "book  002", "  book 3", "book   4   ", "boôk 05", "book  6")
+    assertThat(savedBooks.map { it.number }).containsExactly(1, 2, 3, 4, 5, 6)
   }
 
   @Test