diff --git a/komga/src/main/kotlin/org/gotson/komga/interfaces/api/rest/BookController.kt b/komga/src/main/kotlin/org/gotson/komga/interfaces/api/rest/BookController.kt
index a3fec73bf..fac0fb0c9 100644
--- a/komga/src/main/kotlin/org/gotson/komga/interfaces/api/rest/BookController.kt
+++ b/komga/src/main/kotlin/org/gotson/komga/interfaces/api/rest/BookController.kt
@@ -122,7 +122,7 @@ class BookController(
       when {
         page.sort.isSorted -> page.sort
         !searchTerm.isNullOrBlank() -> Sort.by("relevance")
-        else -> Sort.by(Sort.Order.asc("metadata.title"))
+        else -> Sort.unsorted()
       }
 
     val pageRequest =
diff --git a/komga/src/main/kotlin/org/gotson/komga/interfaces/api/rest/SeriesController.kt b/komga/src/main/kotlin/org/gotson/komga/interfaces/api/rest/SeriesController.kt
index 21c18ebeb..38092e439 100644
--- a/komga/src/main/kotlin/org/gotson/komga/interfaces/api/rest/SeriesController.kt
+++ b/komga/src/main/kotlin/org/gotson/komga/interfaces/api/rest/SeriesController.kt
@@ -144,7 +144,7 @@ class SeriesController(
       when {
         page.sort.isSorted -> page.sort
         !searchTerm.isNullOrBlank() -> Sort.by("relevance")
-        else -> Sort.by(Sort.Order.asc("metadata.titleSort"))
+        else -> Sort.unsorted()
       }
 
     val pageRequest =
diff --git a/komga/src/test/kotlin/org/gotson/komga/interfaces/api/rest/BookControllerTest.kt b/komga/src/test/kotlin/org/gotson/komga/interfaces/api/rest/BookControllerTest.kt
index 54172d7bd..429bcd61c 100644
--- a/komga/src/test/kotlin/org/gotson/komga/interfaces/api/rest/BookControllerTest.kt
+++ b/komga/src/test/kotlin/org/gotson/komga/interfaces/api/rest/BookControllerTest.kt
@@ -177,7 +177,7 @@ class BookControllerTest(
       mockMvc.get("/api/v1/books/${book15.id}").andExpect { status { isForbidden() } }
       mockMvc.get("/api/v1/books/${book.id}").andExpect { status { isForbidden() } }
 
-      mockMvc.get("/api/v1/books")
+      mockMvc.get("/api/v1/books?sort=metadata.title")
         .andExpect {
           status { isOk() }
           jsonPath("$.content.length()") { value(2) }
@@ -235,7 +235,7 @@ class BookControllerTest(
       mockMvc.get("/api/v1/books/${book10.id}").andExpect { status { isForbidden() } }
       mockMvc.get("/api/v1/books/${book15.id}").andExpect { status { isForbidden() } }
 
-      mockMvc.get("/api/v1/books")
+      mockMvc.get("/api/v1/books?sort=metadata.title")
         .andExpect {
           status { isOk() }
           jsonPath("$.content.length()") { value(2) }
@@ -293,7 +293,7 @@ class BookControllerTest(
       mockMvc.get("/api/v1/books/${bookAdult.id}").andExpect { status { isForbidden() } }
       mockMvc.get("/api/v1/books/${book.id}").andExpect { status { isForbidden() } }
 
-      mockMvc.get("/api/v1/books")
+      mockMvc.get("/api/v1/books?sort=metadata.title")
         .andExpect {
           status { isOk() }
           jsonPath("$.content.length()") { value(2) }
@@ -351,7 +351,7 @@ class BookControllerTest(
       mockMvc.get("/api/v1/books/${bookAdult.id}").andExpect { status { isOk() } }
       mockMvc.get("/api/v1/books/${book.id}").andExpect { status { isOk() } }
 
-      mockMvc.get("/api/v1/books")
+      mockMvc.get("/api/v1/books?sort=metadata.title")
         .andExpect {
           status { isOk() }
           jsonPath("$.content.length()") { value(2) }
@@ -409,7 +409,7 @@ class BookControllerTest(
       mockMvc.get("/api/v1/books/${bookAdult.id}").andExpect { status { isForbidden() } }
       mockMvc.get("/api/v1/books/${book.id}").andExpect { status { isForbidden() } }
 
-      mockMvc.get("/api/v1/books")
+      mockMvc.get("/api/v1/books?sort=metadata.title")
         .andExpect {
           status { isOk() }
           jsonPath("$.content.length()") { value(2) }
diff --git a/komga/src/test/kotlin/org/gotson/komga/interfaces/api/rest/SeriesControllerTest.kt b/komga/src/test/kotlin/org/gotson/komga/interfaces/api/rest/SeriesControllerTest.kt
index b3da3df6f..1879fa6cf 100644
--- a/komga/src/test/kotlin/org/gotson/komga/interfaces/api/rest/SeriesControllerTest.kt
+++ b/komga/src/test/kotlin/org/gotson/komga/interfaces/api/rest/SeriesControllerTest.kt
@@ -290,7 +290,7 @@ class SeriesControllerTest(
       mockMvc.get("/api/v1/series/${series15.id}").andExpect { status { isForbidden() } }
       mockMvc.get("/api/v1/series/${series.id}").andExpect { status { isForbidden() } }
 
-      mockMvc.get("/api/v1/series")
+      mockMvc.get("/api/v1/series?sort=metadata.titleSort")
         .andExpect {
           status { isOk() }
           jsonPath("$.content.length()") { value(2) }
@@ -344,7 +344,7 @@ class SeriesControllerTest(
       mockMvc.get("/api/v1/series/${series16.id}").andExpect { status { isForbidden() } }
       mockMvc.get("/api/v1/series/${series18.id}").andExpect { status { isForbidden() } }
 
-      mockMvc.get("/api/v1/series")
+      mockMvc.get("/api/v1/series?sort=metadata.titleSort")
         .andExpect {
           status { isOk() }
           jsonPath("$.content.length()") { value(2) }
@@ -398,7 +398,7 @@ class SeriesControllerTest(
       mockMvc.get("/api/v1/series/${seriesAdult.id}").andExpect { status { isForbidden() } }
       mockMvc.get("/api/v1/series/${series.id}").andExpect { status { isForbidden() } }
 
-      mockMvc.get("/api/v1/series")
+      mockMvc.get("/api/v1/series?sort=metadata.titleSort")
         .andExpect {
           status { isOk() }
           jsonPath("$.content.length()") { value(2) }
@@ -452,7 +452,7 @@ class SeriesControllerTest(
       mockMvc.get("/api/v1/series/${seriesAdult.id}").andExpect { status { isOk() } }
       mockMvc.get("/api/v1/series/${series.id}").andExpect { status { isOk() } }
 
-      mockMvc.get("/api/v1/series")
+      mockMvc.get("/api/v1/series?sort=metadata.titleSort")
         .andExpect {
           status { isOk() }
           jsonPath("$.content.length()") { value(2) }
@@ -506,7 +506,7 @@ class SeriesControllerTest(
       mockMvc.get("/api/v1/series/${seriesAdult.id}").andExpect { status { isForbidden() } }
       mockMvc.get("/api/v1/series/${series.id}").andExpect { status { isForbidden() } }
 
-      mockMvc.get("/api/v1/series")
+      mockMvc.get("/api/v1/series?sort=metadata.titleSort")
         .andExpect {
           status { isOk() }
           jsonPath("$.content.length()") { value(2) }