diff --git a/manual/PRESENTATION_Prog.tex b/manual/PRESENTATION_Prog.tex
index 73c2bf419..b85eda892 100644
--- a/manual/PRESENTATION_Prog.tex
+++ b/manual/PRESENTATION_Prog.tex
@@ -534,7 +534,7 @@ struct MyPass : public Pass {
         log("Modules in current design:\n");
         for (auto mod : design->modules())
             log("  %s (%d wires, %d cells)\n", log_id(mod),
-                    GetSize(mod->wires), GetSize(mod->cells));
+                    GetSize(mod->wires()), GetSize(mod->cells()));
     }
 } MyPass;
 \end{lstlisting}