diff --git a/CHANGES.md b/CHANGES.md
index a1a0e1f1c..92bd2b56f 100644
--- a/CHANGES.md
+++ b/CHANGES.md
@@ -1,5 +1,9 @@
 # OPUS 4 Change Log
 
+## Release 4.8.0.5 - 2024-03-12
+
+https://github.com/OPUS4/application/issues/1190
+
 ## Release 4.8.0.4 - 2024-01-09
 
 https://github.com/OPUS4/application/issues/1174
diff --git a/README.md b/README.md
index 4f56670b9..2df2fd06d 100644
--- a/README.md
+++ b/README.md
@@ -7,9 +7,9 @@ redevelopment that was created as part of a DFG ([Deutsche Forschungsgemeinschaf
 Since then the development has been continued at KOBV ([Kooperativer Bibliotheksverbund Berlin-Brandenburg][KOBV])
 mostly.
 
-## OPUS 4.8.0.4 (current version)
+## OPUS 4.8.0.5 (current version)
 
-The current version of OPUS 4 is __4.8.0.4__. It is available on the [master][MASTER] branch and compatible with 
+The current version of OPUS 4 is __4.8.0.5__. It is available on the [master][MASTER] branch and compatible with 
 PHP 7.1 to 8.1. 
 
 [Documentation][DOC]
diff --git a/RELEASE_NOTES.md b/RELEASE_NOTES.md
index 92a3613e2..f3145138f 100644
--- a/RELEASE_NOTES.md
+++ b/RELEASE_NOTES.md
@@ -1,5 +1,11 @@
 # OPUS 4 Release Notes
 
+## Patch Release 4.8.0.5 - 2024-03-12
+
+Problem auf manchen Systemen bei der Anzeige von `BelongsToBibliography` 
+("Bibl.") in der Dokumentenverwaltung behoben. 
+https://github.com/OPUS4/application/issues/1190
+
 ## Patch Release 4.8.0.4 - 2024-01-09
 
 Fehler beim Löschen mehrerer Dateien von einem Dokument behoben.
diff --git a/application/configs/application.ini b/application/configs/application.ini
index 6dc4c722c..22effada2 100644
--- a/application/configs/application.ini
+++ b/application/configs/application.ini
@@ -70,7 +70,7 @@ name = 'OPUS 4'
 logoLink = home
 security = 1
 workspacePath = APPLICATION_PATH "/workspace"
-version = 4.8.0.4
+version = 4.8.0.5
 update.latestVersionCheckUrl = "https://api.github.com/repos/opus4/application/releases/latest"
 
 ; Determines the implementation of the OPUS 4 data model
diff --git a/library/Application/Util/DocumentAdapter.php b/library/Application/Util/DocumentAdapter.php
index 92e3ed26a..641c29894 100644
--- a/library/Application/Util/DocumentAdapter.php
+++ b/library/Application/Util/DocumentAdapter.php
@@ -334,10 +334,12 @@ public function getDocState()
 
     /**
      * @return bool
+     *
+     * TODO PHP7 on old systems getBelongsToBibliography returns strings ("0" or "1")
      */
     public function isBelongsToBibliography()
     {
-        return $this->document->getBelongsToBibliography() === 1;
+        return filter_var($this->document->getBelongsToBibliography(), FILTER_VALIDATE_BOOLEAN);
     }
 
     /**
diff --git a/tests/library/Application/Util/DocumentAdapterTest.php b/tests/library/Application/Util/DocumentAdapterTest.php
index 6ef5e52f8..d51496395 100644
--- a/tests/library/Application/Util/DocumentAdapterTest.php
+++ b/tests/library/Application/Util/DocumentAdapterTest.php
@@ -113,6 +113,32 @@ public function testIsBelongsToBibliographyFalse()
         $this->assertFalse($docAdapter->isBelongsToBibliography());
     }
 
+    public function testIsBelongsToBibliographyTrueWithStringValue()
+    {
+        $view = $this->getView();
+
+        $doc = $this->createTestDocument();
+
+        $doc->setBelongsToBibliography('1');
+
+        $docAdapter = new Application_Util_DocumentAdapter($view, $doc);
+
+        $this->assertTrue($docAdapter->isBelongsToBibliography());
+    }
+
+    public function testIsBelongsToBibliographyFalseWithStringValue()
+    {
+        $view = $this->getView();
+
+        $doc = $this->createTestDocument();
+
+        $doc->setBelongsToBibliography('0');
+
+        $docAdapter = new Application_Util_DocumentAdapter($view, $doc);
+
+        $this->assertFalse($docAdapter->isBelongsToBibliography());
+    }
+
     /**
      * Tests returning title in document language.
      */