diff --git a/core/document.cpp b/core/document.cpp
index 9d7192782..0d051ed67 100644
--- a/core/document.cpp
+++ b/core/document.cpp
@@ -1165,14 +1165,14 @@ KUrl Document::currentDocument() const
     return d->m_url;
 }
 
-bool Document::isAllowed( Permissions flags ) const
+bool Document::isAllowed( Permission action ) const
 {
 #if !OKULAR_FORCE_DRM
     if ( KAuthorized::authorize( "skip_drm" ) && !Okular::Settings::obeyDRM() )
         return true;
 #endif
 
-    return d->m_generator ? d->m_generator->isAllowed( flags ) : false;
+    return d->m_generator ? d->m_generator->isAllowed( action ) : false;
 }
 
 bool Document::supportsSearching() const
diff --git a/core/document.h b/core/document.h
index 26fb0bb2b..60231b501 100644
--- a/core/document.h
+++ b/core/document.h
@@ -180,11 +180,10 @@ class OKULAR_EXPORT Document : public QObject
         KUrl currentDocument() const;
 
         /**
-         * Returns whether the given @p actions are allowed
-         * in the document.
-         * @see @ref Permissions
+         * Returns whether the given @p action is allowed in the document.
+         * @see @ref Permission
          */
-        bool isAllowed( Permissions actions ) const;
+        bool isAllowed( Permission action ) const;
 
         /**
          * Returns whether the document supports searching.
diff --git a/core/generator.cpp b/core/generator.cpp
index 242ef2d60..5003a9204 100644
--- a/core/generator.cpp
+++ b/core/generator.cpp
@@ -223,7 +223,7 @@ Generator::PageSizeMetric Generator::pagesSizeMetric() const
     return None;
 }
 
-bool Generator::isAllowed( Permissions ) const
+bool Generator::isAllowed( Permission ) const
 {
     return true;
 }
diff --git a/core/generator.h b/core/generator.h
index e0a01492d..7905ad26b 100644
--- a/core/generator.h
+++ b/core/generator.h
@@ -286,10 +286,10 @@ class OKULAR_EXPORT Generator : public QObject
         virtual PageSizeMetric pagesSizeMetric() const;
 
         /**
-         * This method returns whether given action (@ref Permission) is
+         * This method returns whether given @p action (@ref Permission) is
          * allowed in this document.
          */
-        virtual bool isAllowed( Permissions action ) const;
+        virtual bool isAllowed( Permission action ) const;
 
         /**
          * This method is called when the orientation has been changed by the user.
diff --git a/generators/poppler/generator_pdf.cpp b/generators/poppler/generator_pdf.cpp
index 146e2d38c..33c804ac3 100644
--- a/generators/poppler/generator_pdf.cpp
+++ b/generators/poppler/generator_pdf.cpp
@@ -591,13 +591,25 @@ const QList<Okular::EmbeddedFile*> *PDFGenerator::embeddedFiles() const
     return &docEmbeddedFiles;
 }
 
-bool PDFGenerator::isAllowed( Okular::Permissions permissions ) const
+bool PDFGenerator::isAllowed( Okular::Permission permission ) const
 {
     bool b = true;
-    if (permissions & Okular::AllowModify) b = b && pdfdoc->okToChange();
-    if (permissions & Okular::AllowCopy) b = b && pdfdoc->okToCopy();
-    if (permissions & Okular::AllowPrint) b = b && pdfdoc->okToPrint();
-    if (permissions & Okular::AllowNotes) b = b && pdfdoc->okToAddNotes();
+    switch ( permission )
+    {
+        case Okular::AllowModify:
+            b = pdfdoc->okToChange();
+            break;
+        case Okular::AllowCopy:
+            b = pdfdoc->okToCopy();
+            break;
+        case Okular::AllowPrint:
+            b = pdfdoc->okToPrint();
+            break;
+        case Okular::AllowNotes:
+            b = pdfdoc->okToAddNotes();
+            break;
+        default: ;
+    }
     return b;
 }
 
diff --git a/generators/poppler/generator_pdf.h b/generators/poppler/generator_pdf.h
index a0ac1f62c..212ac0d42 100644
--- a/generators/poppler/generator_pdf.h
+++ b/generators/poppler/generator_pdf.h
@@ -63,7 +63,7 @@ class PDFGenerator : public Okular::Generator, public Okular::ConfigInterface
         PageSizeMetric pagesSizeMetric() const { return Points; }
 
         // [INHERITED] document information
-        bool isAllowed( Okular::Permissions permissions ) const;
+        bool isAllowed( Okular::Permission permission ) const;
 
         // [INHERITED] perform actions on document / pages
         bool canGeneratePixmap() const;