Index: src/core/raster/qgsrasterlayer.cpp
===================================================================
--- src/core/raster/qgsrasterlayer.cpp	(revision 12659)
+++ src/core/raster/qgsrasterlayer.cpp	(working copy)
@@ -410,8 +410,10 @@
       }
       else if ( myGdalDriverDescription.startsWith( "DTED" ) )
       {
-        // DTED use "*.dt0"
+        // DTED use "*.dt0, *.dt1, *.dt2"
         QString glob = "*.dt0";
+	glob += " *.dt1";
+	glob += " *.dt2";	
         theFileFiltersString += myGdalDriverLongName + " (" + glob.toLower() + " " + glob.toUpper() + ");;";
       }
       else if ( myGdalDriverDescription.startsWith( "MrSID" ) )