diff --git a/models.pl b/models.pl
index 393d466066e58e36ff5dc2a8e03ef22874993211..8a9b3645d26d1a41b4746a3be5cc54bfc4a3d4c4 100644
--- a/models.pl
+++ b/models.pl
@@ -170,7 +170,7 @@ load_biocham_stream(Stream) :-
       !
     ;
       name_variables_and_anonymous(Command, VariableNames),
-      execute_command(Command)
+      command(Command)
     ),
     fail
   ).