diff --git a/include/relapp.cpp b/include/relapp.cpp
index 552ba1b82..003c3df9f 100755
--- a/include/relapp.cpp
+++ b/include/relapp.cpp
@@ -961,7 +961,7 @@ bool TRelation_application::filter()
             val = v->sub(from, to);
         }
         else
-          val = *v;   
+          if (v) val = *v;   
         
         if (v)
           _fixed.add(format("%d=%s", f.dlg(), (const char*)val));