--- common/rpackage.cc	(revision 142)
+++ common/rpackage.cc	(working copy)
@@ -84,7 +84,11 @@
 
 const char *RPackage::section()
 {
-    return _package->Section();
+    const char *s = _package->Section();
+    if(s!=NULL)
+	return s;
+    else
+	return _("unknown");
 }