diff --git a/components/paradox/regparadox.pp b/components/paradox/regparadox.pp
index b76d38e992..45c3a09c5f 100644
--- a/components/paradox/regparadox.pp
+++ b/components/paradox/regparadox.pp
@@ -59,7 +59,7 @@ end;
 
 function TParadoxBlobFileNamePropertyEditor.GetFilter: String;
 begin
-  Result := SParadoxBlobFiles+' (*.bm)|*.bm';
+  Result := SParadoxBlobFiles+' (*.mb)|*.mb';
   Result:= Result+ '|'+ inherited GetFilter;
 end;