diff --git a/komga/src/main/kotlin/org/gotson/komga/domain/service/TransientBookLifecycle.kt b/komga/src/main/kotlin/org/gotson/komga/domain/service/TransientBookLifecycle.kt
index 9f76dc0ed..101f72f0f 100644
--- a/komga/src/main/kotlin/org/gotson/komga/domain/service/TransientBookLifecycle.kt
+++ b/komga/src/main/kotlin/org/gotson/komga/domain/service/TransientBookLifecycle.kt
@@ -72,19 +72,23 @@ class TransientBookLifecycle(
       seriesMetadataProviders
         .flatMap {
           buildList {
-            if (it.supportsAppendVolume) add(it.getSeriesMetadataFromBook(bookWithMedia, true)?.title)
-            add(it.getSeriesMetadataFromBook(bookWithMedia, false)?.title)
+            if (it.supportsAppendVolume) add(it.getSeriesMetadataFromBook(bookWithMedia, true)?.title?.ifBlank { null })
+            add(it.getSeriesMetadataFromBook(bookWithMedia, false)?.title?.ifBlank { null })
           }
         }.filterNotNull()
 
-    val exactSearch = SearchCondition.AnyOfSeries(seriesNamesFromMetadata.map { SearchCondition.Title(SearchOperator.Is(it)) })
-    val exactMatches = seriesRepository.findAll(exactSearch, SearchContext.ofAnonymousUser(), Pageable.unpaged())
     val series =
-      if (!exactMatches.isEmpty) {
-        exactMatches.content.first()
+      if (seriesNamesFromMetadata.isNotEmpty()) {
+        val exactSearch = SearchCondition.AnyOfSeries(seriesNamesFromMetadata.map { SearchCondition.Title(SearchOperator.Is(it)) })
+        val exactMatches = seriesRepository.findAll(exactSearch, SearchContext.ofAnonymousUser(), Pageable.unpaged())
+        if (!exactMatches.isEmpty) {
+          exactMatches.content.first()
+        } else {
+          val containsSearch = SearchCondition.AnyOfSeries(seriesNamesFromMetadata.map { SearchCondition.Title(SearchOperator.Contains(it)) })
+          seriesRepository.findAll(containsSearch, SearchContext.ofAnonymousUser(), Pageable.unpaged()).content.firstOrNull()
+        }
       } else {
-        val containsSearch = SearchCondition.AnyOfSeries(seriesNamesFromMetadata.map { SearchCondition.Title(SearchOperator.Contains(it)) })
-        seriesRepository.findAll(containsSearch, SearchContext.ofAnonymousUser(), Pageable.unpaged()).content.firstOrNull()
+        null
       }
 
     return series?.id to number
diff --git a/komga/src/test/kotlin/org/gotson/komga/domain/service/TransientBookLifecycleTest.kt b/komga/src/test/kotlin/org/gotson/komga/domain/service/TransientBookLifecycleTest.kt
index a80ed0539..371da1d98 100644
--- a/komga/src/test/kotlin/org/gotson/komga/domain/service/TransientBookLifecycleTest.kt
+++ b/komga/src/test/kotlin/org/gotson/komga/domain/service/TransientBookLifecycleTest.kt
@@ -68,4 +68,48 @@ class TransientBookLifecycleTest(
     assertThat(seriesId).isEqualTo(seriesExact.id)
     assertThat(number).isEqualTo(15F)
   }
+
+  @Test
+  fun `when getting metadata for transient book without series then no series is matched`() {
+    seriesLifecycle.createSeries(makeSeries("Batman and Robin", libraryId = library.id))
+    val seriesExact = makeSeries("Batman", libraryId = library.id)
+    seriesLifecycle.createSeries(seriesExact)
+    seriesLifecycle.createSeries(makeSeries("Batman and Robin (2022)", libraryId = library.id))
+
+    val book =
+      TransientBook(
+        makeBook("whatever"),
+        Media(),
+      )
+
+    every { mockProvider.getBookMetadataFromBook(any()) } returns BookMetadataPatch(null, null, null, null, null, null, null, null, null, emptyList())
+    every { mockProvider.getSeriesMetadataFromBook(any(), any()) } returns SeriesMetadataPatch(null, null, null, null, null, null, null, null, null, null, emptySet())
+
+    val (seriesId, number) = transientBookLifecycle.getMetadata(book)
+
+    assertThat(seriesId).isNull()
+    assertThat(number).isNull()
+  }
+
+  @Test
+  fun `when getting metadata for transient book with blank series then no series is matched`() {
+    seriesLifecycle.createSeries(makeSeries("Batman and Robin", libraryId = library.id))
+    val seriesExact = makeSeries("Batman", libraryId = library.id)
+    seriesLifecycle.createSeries(seriesExact)
+    seriesLifecycle.createSeries(makeSeries("Batman and Robin (2022)", libraryId = library.id))
+
+    val book =
+      TransientBook(
+        makeBook("whatever"),
+        Media(),
+      )
+
+    every { mockProvider.getBookMetadataFromBook(any()) } returns BookMetadataPatch(null, null, null, null, null, null, null, null, null, emptyList())
+    every { mockProvider.getSeriesMetadataFromBook(any(), any()) } returns SeriesMetadataPatch(" ", null, null, null, null, null, null, null, null, null, emptySet())
+
+    val (seriesId, number) = transientBookLifecycle.getMetadata(book)
+
+    assertThat(seriesId).isNull()
+    assertThat(number).isNull()
+  }
 }