diff --git a/client/components/app/BookShelfToolbar.vue b/client/components/app/BookShelfToolbar.vue
index 124c332d..d512bc1b 100644
--- a/client/components/app/BookShelfToolbar.vue
+++ b/client/components/app/BookShelfToolbar.vue
@@ -64,12 +64,22 @@
 
         <div class="flex-grow hidden sm:inline-block" />
 
+        <!-- collapse series checkbox -->
         <ui-checkbox v-if="isLibraryPage && isBookLibrary && !isBatchSelecting" v-model="settings.collapseSeries" :label="$strings.LabelCollapseSeries" checkbox-bg="bg" check-color="white" small class="mr-2" @input="updateCollapseSeries" />
+
+        <!-- library filter select -->
         <controls-library-filter-select v-if="isLibraryPage && !isBatchSelecting" v-model="settings.filterBy" class="w-36 sm:w-44 md:w-48 h-7.5 ml-1 sm:ml-4" @change="updateFilter" />
+
+        <!-- library sort select -->
         <controls-library-sort-select v-if="isLibraryPage && !isBatchSelecting" v-model="settings.orderBy" :descending.sync="settings.orderDesc" class="w-36 sm:w-44 md:w-48 h-7.5 ml-1 sm:ml-4" @change="updateOrder" />
+
+        <!-- series filter select -->
         <controls-library-filter-select v-if="isSeriesPage && !isBatchSelecting" v-model="settings.seriesFilterBy" is-series class="w-36 sm:w-44 md:w-48 h-7.5 ml-1 sm:ml-4" @change="updateSeriesFilter" />
+
+        <!-- series sort select -->
         <controls-sort-select v-if="isSeriesPage && !isBatchSelecting" v-model="settings.seriesSortBy" :descending.sync="settings.seriesSortDesc" :items="seriesSortItems" class="w-36 sm:w-44 md:w-48 h-7.5 ml-1 sm:ml-4" @change="updateSeriesSort" />
 
+        <!-- issues page remove all button -->
         <ui-btn v-if="isIssuesFilter && userCanDelete && !isBatchSelecting" :loading="processingIssues" color="error" small class="ml-4" @click="removeAllIssues">{{ $strings.ButtonRemoveAll }} {{ numShowing }} {{ entityName }}</ui-btn>
       </template>
       <!-- search page -->
diff --git a/server/utils/libraryHelpers.js b/server/utils/libraryHelpers.js
index 5bbee2af..47a7b9f5 100644
--- a/server/utils/libraryHelpers.js
+++ b/server/utils/libraryHelpers.js
@@ -95,17 +95,20 @@ module.exports = {
   checkSeriesProgressFilter(series, filterBy, user) {
     const filter = this.decode(filterBy.split('.')[1])
 
-    var numBooksStartedOrFinished = 0
+    let someBookHasProgress = false
+    let someBookIsUnfinished = false
     for (const libraryItem of series.books) {
       const itemProgress = user.getMediaProgress(libraryItem.id)
-      if (filter === 'Finished' && (!itemProgress || !itemProgress.isFinished)) return false
-      if (filter === 'Not Started' && itemProgress) return false
-      if (itemProgress) numBooksStartedOrFinished++
+      if (!itemProgress || !itemProgress.isFinished) someBookIsUnfinished = true
+      if (itemProgress && itemProgress.progress > 0) someBookHasProgress = true
+
+      if (filter === 'finished' && (!itemProgress || !itemProgress.isFinished)) return false
+      if (filter === 'not-started' && itemProgress) return false
     }
 
-    if (numBooksStartedOrFinished === series.books.length) { // Completely finished series
-      if (filter === 'Not Finished') return false
-    } else if (numBooksStartedOrFinished === 0 && filter === 'In Progress') { // Series not started
+    if (!someBookIsUnfinished && filter === 'not-finished') { // Completely finished series
+      return false
+    } else if (!someBookHasProgress && filter === 'in-progress') { // Series not started
       return false
     }
     return true