diff --git a/core/document.cpp b/core/document.cpp
index 1b0154887..37f3e31d4 100644
--- a/core/document.cpp
+++ b/core/document.cpp
@@ -24,7 +24,6 @@
 #include <kmessagebox.h>
 #include <kapplication.h>
 #include <kuserprofile.h>
-#include <kmimetype.h>
 #include <krun.h>
 #include <kstandarddirs.h>
 
@@ -132,7 +131,7 @@ KPDFDocument::~KPDFDocument()
 }
 
 
-bool KPDFDocument::openDocument( const QString & docFile, const KURL & url )
+bool KPDFDocument::openDocument( const QString & docFile, const KURL & url, const KMimeType::Ptr &mime )
 {
     // docFile is always local so we can use QFile on it
     QFile fileReadTest( docFile );
@@ -150,7 +149,6 @@ bool KPDFDocument::openDocument( const QString & docFile, const KURL & url )
     d->xmlFileName = locateLocal( "data", fn );
 
     // create the generator based on the file's mimetype
-    KMimeType::Ptr mime = KMimeType::findByPath( docFile );
     if ( (*mime).is( "application/pdf" ) )
         generator = new PDFGenerator( this );
 //    else if ( mimeName == "application/postscript" )
diff --git a/core/document.h b/core/document.h
index 07fb11f3e..b5a8c6b0b 100644
--- a/core/document.h
+++ b/core/document.h
@@ -16,6 +16,8 @@
 #include <qstring.h>
 #include <qdom.h>
 
+#include <kmimetype.h>
+
 class KPDFPage;
 class KPDFLink;
 class DocumentObserver;
@@ -53,7 +55,7 @@ class KPDFDocument : public QObject
         ~KPDFDocument();
 
         // document handling
-        bool openDocument( const QString & docFile, const KURL & url );
+        bool openDocument( const QString & docFile, const KURL & url, const KMimeType::Ptr &mime );
         void closeDocument();
 
         // misc methods
diff --git a/part.cpp b/part.cpp
index 864bb3043..4fba0952b 100644
--- a/part.cpp
+++ b/part.cpp
@@ -343,7 +343,15 @@ KAboutData* Part::createAboutData()
 
 bool Part::openFile()
 {
-    KMimeType::Ptr mime = KMimeType::findByPath( m_file );
+    KMimeType::Ptr mime;
+    if ( m_bExtension->urlArgs().serviceType.isEmpty() )
+    {
+        mime = KMimeType::findByPath( m_file );
+    }
+    else
+    {
+        mime = KMimeType::mimeType( m_bExtension->urlArgs().serviceType );
+    }
     if ( (*mime).is( "application/postscript" ) )
     {
         QString app = KStandardDirs::findExe( "ps2pdf" );
@@ -373,7 +381,7 @@ bool Part::openFile()
 
     m_temporaryLocalFile = QString::null;
 
-    bool ok = m_document->openDocument( m_file, url() );
+    bool ok = m_document->openDocument( m_file, url(), mime );
 
     // update one-time actions
     m_find->setEnabled( ok && m_document-> supportsSearching());