diff --git a/src/Controller/Kobo/KoboStateController.php b/src/Controller/Kobo/KoboStateController.php
index 95f11d3f..83f743f7 100644
--- a/src/Controller/Kobo/KoboStateController.php
+++ b/src/Controller/Kobo/KoboStateController.php
@@ -64,7 +64,7 @@ public function state(KoboDevice $kobo, string $uuid, Request $request): Respons
                 $this->bookProgressionService->setProgression($book, $kobo->getUser(), 1.0);
                 break;
             case ReadingStateStatusInfo::STATUS_READY_TO_READ:
-                $this->bookProgressionService->setProgression($book, $kobo->getUser(), 0.0);
+                $this->bookProgressionService->setProgression($book, $kobo->getUser(), null);
                 break;
             case ReadingStateStatusInfo::STATUS_READING:
                 $progress = $state->currentBookmark?->progressPercent;
diff --git a/src/Service/BookProgressionService.php b/src/Service/BookProgressionService.php
index 18da61b2..124390ec 100644
--- a/src/Service/BookProgressionService.php
+++ b/src/Service/BookProgressionService.php
@@ -40,6 +40,12 @@ public function getProgression(Book $book, User $user): ?float
     public function setProgression(Book $book, User $user, ?float $progress): self
     {
         if ($progress === null) {
+            $interaction = $book->getLastInteraction($user);
+            if ($interaction instanceof BookInteraction) {
+                $interaction->setReadPages(null);
+                $interaction->setFinished(false);
+            }
+
             return $this;
         }
 
diff --git a/tests/Service/BookProgressionServiceTest.php b/tests/Service/BookProgressionServiceTest.php
index 718b9d2d..b07ce6f2 100644
--- a/tests/Service/BookProgressionServiceTest.php
+++ b/tests/Service/BookProgressionServiceTest.php
@@ -5,6 +5,7 @@
 use App\DataFixtures\BookFixture;
 use App\DataFixtures\UserFixture;
 use App\Entity\Book;
+use App\Entity\BookInteraction;
 use App\Entity\User;
 use App\Repository\BookRepository;
 use App\Repository\UserRepository;
@@ -80,6 +81,24 @@ public function testProgressReading(): void{
         self::assertSame(15, $lastInteraction->getReadPages(), 'Book should have half page read');
     }
 
+    public function testMarkAsUnread(): void{
+        $service = $this->getProgressionService();
+        $book = $this->getBook();
+        // Make sure we have 0 interactions
+        $interaction = new BookInteraction();
+        $interaction->setBook($book);
+        $interaction->setUser($this->getUser());
+        $interaction->setReadPages(12);
+
+        $book->getBookInteractions()->add($interaction);
+        $service->setProgression($book, $this->getUser(), null);
+        $lastInteraction = $book->getLastInteraction($this->getUser());
+        self::assertNotNull($lastInteraction, 'Interaction should be created');
+
+        self::assertFalse($lastInteraction->isFinished(), 'Book should not be finished');
+        self::assertNull($lastInteraction->getReadPages(), 'Book should have null page read');
+    }
+
 
     private function getBook(): Book
     {