diff --git a/de.urszeidler.fop.help/META-INF/MANIFEST.MF b/de.urszeidler.fop.help/META-INF/MANIFEST.MF
index af0624c1..de652575 100644
--- a/de.urszeidler.fop.help/META-INF/MANIFEST.MF
+++ b/de.urszeidler.fop.help/META-INF/MANIFEST.MF
@@ -10,6 +10,7 @@ Export-Package: org.apache.batik.transcoder,
  org.apache.fop.svg,
  org.apache.pdfbox,
  org.apache.pdfbox.cos,
+ org.apache.pdfbox.io,
  org.apache.pdfbox.multipdf,
  org.apache.pdfbox.pdmodel,
  org.apache.pdfbox.pdmodel.common,
diff --git a/de.urszeidler.shr5.ecp/src/de/urszeidler/shr5/ecp/views/SourceBookView.java b/de.urszeidler.shr5.ecp/src/de/urszeidler/shr5/ecp/views/SourceBookView.java
index e838190f..e66223e5 100644
--- a/de.urszeidler.shr5.ecp/src/de/urszeidler/shr5/ecp/views/SourceBookView.java
+++ b/de.urszeidler.shr5.ecp/src/de/urszeidler/shr5/ecp/views/SourceBookView.java
@@ -9,6 +9,7 @@
 import java.util.HashSet;
 import java.util.Map;
 
+import org.apache.pdfbox.io.RandomAccessReadBufferedFile;
 import org.apache.pdfbox.pdmodel.PDDocument;
 import org.apache.pdfbox.text.PDFTextStripper;
 import org.eclipse.core.databinding.DataBindingContext;
@@ -477,7 +478,7 @@ private PDDocument getpdfDoc(final File file, IProgressMonitor monitor) throws I
 
         monitor.setTaskName("load ..." + file.getName());
         try {
-            pdDocument = org.apache.pdfbox.Loader.loadPDF(file);
+            pdDocument = org.apache.pdfbox.Loader.loadPDF(new RandomAccessReadBufferedFile(file));
             if (pdDocument.isEncrypted()) {
                 monitor.setTaskName("decrypt ...");
 //                pdDocument.decrypt("");