diff --git a/komga-webui/src/types/komga-series.ts b/komga-webui/src/types/komga-series.ts
index cc938473a9..78fc02f473 100644
--- a/komga-webui/src/types/komga-series.ts
+++ b/komga-webui/src/types/komga-series.ts
@@ -7,6 +7,7 @@ interface SeriesDto {
   booksCount: number,
   booksReadCount: number,
   booksUnreadCount: number,
+  booksInProgressCount: number,
   metadata: SeriesMetadata
 }
 
diff --git a/komga/src/main/kotlin/org/gotson/komga/infrastructure/jooq/SeriesDtoDao.kt b/komga/src/main/kotlin/org/gotson/komga/infrastructure/jooq/SeriesDtoDao.kt
index a68262a3fc..5c87080f47 100644
--- a/komga/src/main/kotlin/org/gotson/komga/infrastructure/jooq/SeriesDtoDao.kt
+++ b/komga/src/main/kotlin/org/gotson/komga/infrastructure/jooq/SeriesDtoDao.kt
@@ -91,7 +91,8 @@ class SeriesDtoDao(
   private fun selectBase() =
     dsl.select(*groupFields)
       .select(DSL.count(b.ID).`as`("booksCount"))
-      .select(DSL.count(r.COMPLETED).`as`("booksReadCount"))
+      .select(DSL.sum(DSL.`when`(r.COMPLETED.isTrue, 1).otherwise(0)).`as`("booksReadCount"))
+      .select(DSL.sum(DSL.`when`(r.COMPLETED.isFalse, 1).otherwise(0)).`as`("booksInProgressCount"))
       .from(s)
       .leftJoin(b).on(s.ID.eq(b.SERIES_ID))
       .leftJoin(d).on(s.ID.eq(d.SERIES_ID))
@@ -104,9 +105,11 @@ class SeriesDtoDao(
       .map { r ->
         val sr = r.into(s)
         val dr = r.into(d)
-        val booksCount = r["booksCount"] as Int
-        val booksReadCount = r["booksReadCount"] as Int
-        sr.toDto(booksCount, booksReadCount, dr.toDto())
+        val booksCount = r.get("booksCount", Int::class.java)
+        val booksReadCount = r.get("booksReadCount", Int::class.java)
+        val booksInProgressCount = r.get("booksInProgressCount", Int::class.java)
+        val booksUnreadCount = booksCount - booksInProgressCount - booksReadCount
+        sr.toDto(booksCount, booksReadCount, booksUnreadCount, booksInProgressCount, dr.toDto())
       }
 
   private fun SeriesSearch.toCondition(): Condition {
@@ -119,7 +122,7 @@ class SeriesDtoDao(
     return c
   }
 
-  private fun SeriesRecord.toDto(booksCount: Int, booksReadCount: Int, metadata: SeriesMetadataDto) =
+  private fun SeriesRecord.toDto(booksCount: Int, booksReadCount: Int, booksUnreadCount: Int, booksInProgressCount: Int, metadata: SeriesMetadataDto) =
     SeriesDto(
       id = id,
       libraryId = libraryId,
@@ -130,6 +133,8 @@ class SeriesDtoDao(
       fileLastModified = fileLastModified.toUTC(),
       booksCount = booksCount,
       booksReadCount = booksReadCount,
+      booksUnreadCount = booksUnreadCount,
+      booksInProgressCount = booksInProgressCount,
       metadata = metadata
     )
 
diff --git a/komga/src/main/kotlin/org/gotson/komga/interfaces/rest/dto/SeriesDto.kt b/komga/src/main/kotlin/org/gotson/komga/interfaces/rest/dto/SeriesDto.kt
index 8a179f66fa..17a0506dc6 100644
--- a/komga/src/main/kotlin/org/gotson/komga/interfaces/rest/dto/SeriesDto.kt
+++ b/komga/src/main/kotlin/org/gotson/komga/interfaces/rest/dto/SeriesDto.kt
@@ -16,10 +16,10 @@ data class SeriesDto(
   val fileLastModified: LocalDateTime,
   val booksCount: Int,
   val booksReadCount: Int,
+  val booksUnreadCount: Int,
+  val booksInProgressCount: Int,
   val metadata: SeriesMetadataDto
-) {
-  val booksUnreadCount: Int = booksCount - booksReadCount
-}
+)
 
 fun SeriesDto.restrictUrl(restrict: Boolean) =
   if (restrict) copy(url = "") else this
diff --git a/komga/src/test/kotlin/org/gotson/komga/interfaces/rest/SeriesControllerTest.kt b/komga/src/test/kotlin/org/gotson/komga/interfaces/rest/SeriesControllerTest.kt
index 88b669d4fd..9e44c46c62 100644
--- a/komga/src/test/kotlin/org/gotson/komga/interfaces/rest/SeriesControllerTest.kt
+++ b/komga/src/test/kotlin/org/gotson/komga/interfaces/rest/SeriesControllerTest.kt
@@ -570,5 +570,48 @@ class SeriesControllerTest(
           jsonPath("$.numberOfElements") { value(2) }
         }
     }
+
+    @Test
+    @WithMockCustomUser(id = 2)
+    fun `given user when marking book as in progress then progress series return books count accordingly`() {
+      val series = makeSeries(name = "series", libraryId = library.id).let { series ->
+        seriesLifecycle.createSeries(series).also { created ->
+          val books = listOf(
+            makeBook("1.cbr", libraryId = library.id),
+            makeBook("2.cbr", libraryId = library.id),
+            makeBook("3.cbr", libraryId = library.id)
+          )
+          seriesLifecycle.addBooks(created, books)
+        }
+      }
+
+      bookRepository.findAll().forEach { book ->
+        mediaRepository.findById(book.id).let {
+          mediaRepository.update(it.copy(
+            status = Media.Status.READY,
+            pages = (1..10).map { BookPage("$it", "image/jpeg") }
+          ))
+        }
+      }
+
+      val books = bookRepository.findAll().sortedBy { it.name }
+
+      mockMvc.patch("/api/v1/books/${books.elementAt(0).id}/read-progress") {
+        contentType = MediaType.APPLICATION_JSON
+        content = """{"page": 5,"completed":false}"""
+      }
+      mockMvc.patch("/api/v1/books/${books.elementAt(1).id}/read-progress") {
+        contentType = MediaType.APPLICATION_JSON
+        content = """{"completed":true}"""
+      }
+
+      mockMvc.get("/api/v1/series/${series.id}")
+        .andExpect {
+          status { isOk }
+          jsonPath("$.booksUnreadCount") { value(1) }
+          jsonPath("$.booksReadCount") { value(1) }
+          jsonPath("$.booksInProgressCount") { value(1) }
+        }
+    }
   }
 }