diff --git a/sim/ppc/configure.in b/sim/ppc/configure.in
index f86cfefe70..06e8d114de 100644
--- a/sim/ppc/configure.in
+++ b/sim/ppc/configure.in
@@ -119,7 +119,7 @@ AC_ARG_ENABLE(sim-default-model,
 esac
 if test x"$silent" != x"yes" && test x"$sim_default_model" != x""; then
   echo "Setting default-model flags = $sim_default_model" 6>&1
-fi],[sim_model=""])dnl
+fi],[sim_default_model=""])dnl
 
 
 AC_ARG_ENABLE(sim-duplicate,