diff --git a/.travis/pin-arvo-commit.txt b/.travis/pin-arvo-commit.txt
index 4e689c4c5d..92c82b8d06 100644
--- a/.travis/pin-arvo-commit.txt
+++ b/.travis/pin-arvo-commit.txt
@@ -1 +1 @@
-806c604c2f0f9ee7eea2999e6bb15ed5a8abaa99
+e71c57b4455c84062230b4277f95eb7047a26146
diff --git a/jets/f/ut_find.c b/jets/f/ut_find.c
index 610e4a46f8..7de284836b 100644
--- a/jets/f/ut_find.c
+++ b/jets/f/ut_find.c
@@ -190,15 +190,8 @@
           u3_noun pu_zem = u3h(u_zem);
           u3_noun qu_zem = u3t(u_zem);
           u3_noun zut;
-          u3_noun mut;
           u3_noun pro;
 
-          mut = u3nt(c3__core,
-                     u3k(p_sut),
-                     u3nt(u3nt(u3k(ppq_sut), u3k(qpq_sut), c3__gold),
-                          u3k(qq_sut),
-                          u3k(rq_sut)));
-
 #if 1
           if ( qpq_sut == c3__wet ) {
             zut = u3nc(c3__wet, u3k(qu_zem));
@@ -214,7 +207,7 @@
              u3nc(u3nc(u3_nul, u3k(axe)), u3k(lon)),
              u3nt(c3n,
                   u3qc_peg(2, pu_zem),
-                  u3nt(u3nc(mut, zut), u3_nul, u3_nul)));
+                  u3nt(u3nc(u3k(sut), zut), u3_nul, u3_nul)));
           
           u3z(zem);
           return pro;
diff --git a/jets/f/ut_fire.c b/jets/f/ut_fire.c
index 7ca02bccbc..873d4524be 100644
--- a/jets/f/ut_fire.c
+++ b/jets/f/ut_fire.c
@@ -62,6 +62,7 @@
              u3_noun gat)
   {
     u3_noun p_typ, q_typ, pq_typ, qq_typ, rq_typ;
+    u3_noun ppq_typ, qpq_typ, rpq_typ;
     u3_noun h_gat, t_gat;
 
     if ( (c3n == u3du(typ)) || (c3__core != u3h(typ)) ) {
@@ -69,12 +70,16 @@
     } else if
          ( (c3n == u3r_cell(u3t(typ), &p_typ, &q_typ)) ||
            (c3n == u3r_trel(q_typ, &pq_typ, &qq_typ, &rq_typ)) ||
+           (c3n == u3r_trel(pq_typ, &ppq_typ, &qpq_typ, &rpq_typ)) ||
            (c3n == u3r_cell(gat, &h_gat, &t_gat)) )
     {
       return u3m_bail(c3__fail);
     } else {
-      u3_noun dox = u3nt
-        (c3__core, u3k(qq_typ), u3k(q_typ));
+      u3_noun dox = u3nt(c3__core,
+                         u3k(qq_typ),
+                         u3nt(u3nt(u3k(ppq_typ), u3k(qpq_typ), c3__gold),
+                              u3k(qq_typ),
+                              u3k(rq_typ)));
 
       if ( (c3__ash == u3h(gat)) || (c3__dry == u3h(gat)) ) {
         if ( (c3y == vet) &&
diff --git a/jets/f/ut_peek.c b/jets/f/ut_peek.c
index 96c99414c6..dc9a5887c9 100644
--- a/jets/f/ut_peek.c
+++ b/jets/f/ut_peek.c
@@ -88,11 +88,26 @@
             u3_noun pec = u3qfu_peel(van, sut, way, rpq_sut);
             u3_noun sam = u3h(pec);
             u3_noun con = u3t(pec);
+            u3_atom tow;
 
-            if ( c3y == c3a(sam, con) ) {
+            if ( 1 == lat ) {
+              tow = 1;
+            } else {
+              tow = u3qc_cap(lat);
+            }
+
+            if ( (c3y == c3a(sam, con)) ||
+                 ((c3y == sam) && (tow == 2)) ||
+                 ((c3y == con) && (tow == 3)) )
+            {
               pro = _cqfu_peek(van, p_sut, way, lat);
             }
             else {
+
+              if ( way != c3__read ) {
+               return u3m_error("payload-block"); 
+              }
+
               u3_noun typ;
 
               {
@@ -120,6 +135,7 @@
             }
 
             u3z(pec);
+            u3z(tow);
           }
           else {
             pro = c3__noun;
diff --git a/jets/tree.c b/jets/tree.c
index 4facf4fa09..a96baadedc 100644
--- a/jets/tree.c
+++ b/jets/tree.c
@@ -233,11 +233,8 @@ static c3_c* _141_pen_loot_ha[] = {0};
 
   static u3j_harm _141_pen__ut_crop_a[] = {{".2", u3wfu_crop}, {}};
   static c3_c* _141_pen__ut_crop_ha[] = {0};
-
-  // XX figure out why this is disabled
-  // static u3j_harm _141_pen__ut_fire_a[] = {{".2", u3wfu_fire}, {}};
-  // static c3_c* _141_pen__ut_fire_ha[] = {0};
-
+  static u3j_harm _141_pen__ut_fire_a[] = {{".2", u3wfu_fire}, {}};
+  static c3_c* _141_pen__ut_fire_ha[] = {0};
   static u3j_harm _141_pen__ut_fond_a[] = {{".2", u3wfu_fond}, {}};
   static c3_c* _141_pen__ut_fond_ha[] = {0};
   static u3j_harm _141_pen__ut_fish_a[] = {{".2", u3wfu_fish}, {}};
@@ -265,7 +262,7 @@ static u3j_core _141_pen__ut_d[] =
   {
     { "crop", 7, _141_pen__ut_crop_a, 0, _141_pen__ut_crop_ha },
     { "fond", 7, _141_pen__ut_fond_a, 0, _141_pen__ut_fond_ha },
-    // { "fire", 7, _141_pen__ut_fire_a, 0, _141_pen__ut_fire_ha },
+    { "fire", 7, _141_pen__ut_fire_a, 0, _141_pen__ut_fire_ha },
     { "fish", 7, _141_pen__ut_fish_a, 0, _141_pen__ut_fish_ha },
     { "fuse", 7, _141_pen__ut_fuse_a, 0, _141_pen__ut_fuse_ha },
     { "mint", 7, _141_pen__ut_mint_a, 0, _141_pen__ut_mint_ha },