diff --git a/jets/f/ap.c b/jets/f/ap.c
index 20285b0516..491f0a9239 100644
--- a/jets/f/ap.c
+++ b/jets/f/ap.c
@@ -1005,9 +1005,9 @@
   {
     u3_noun cor = _ap_core(ter, gen);
 
-#if 0
+#if 1
     if ( c3n == fab ) {
-      cor = u3i_molt(core, 14, c3n, 0);
+      cor = u3i_molt(cor, 14, c3n, 0);
     }
 #endif
     return u3j_soft(cor, "open");
diff --git a/noun/manage.c b/noun/manage.c
index 6ec4e330c2..a18d6f0e5c 100644
--- a/noun/manage.c
+++ b/noun/manage.c
@@ -10,7 +10,7 @@
 
 #include "all.h"
 
-#define NO_OVERFLOW
+#undef NO_OVERFLOW
 
       /* (u3_noun)setjmp(u3R->esc.buf): setjmp within road.
       */