diff --git a/core/document.cpp b/core/document.cpp
index a0843628e3a61b91ada1fa2402b9417bc5e6111c..7200f391498de639f53158c121fd4dffe46c73d1 100644
--- a/core/document.cpp
+++ b/core/document.cpp
@@ -138,7 +138,8 @@ bool KPDFDocument::openDocument( const QString & docFile, const KURL & url )
     // create the generator based on the file's mimetype
     KMimeType::Ptr mime = KMimeType::findByPath( docFile );
     QString mimeName = mime->name();
-    if ( mimeName == "application/pdf" )
+    if ( mimeName == "application/pdf" ||
+         mimeName == "application/x-pdf" )
         generator = new PDFGenerator( this );
 /*    else if ( mimeName == "application/postscript" )
         kdError() << "PS generator not available" << endl;*/