diff --git a/src/lib66/tree/tree_resolve_master_copy.c b/src/lib66/tree/tree_resolve_master_copy.c
index f9b9212b5dea713d9d5e4e4c5fb93561239fd0ce..4ea25e1d98b7c6defbd89f501f41524e8bcba30d 100644
--- a/src/lib66/tree/tree_resolve_master_copy.c
+++ b/src/lib66/tree/tree_resolve_master_copy.c
@@ -38,6 +38,7 @@ int tree_resolve_master_copy(resolve_tree_master_t *dst, resolve_tree_master_t *
     dst->enabled = mres->enabled ;
     dst->current = mres->current ;
     dst->current = mres->contents ;
+    dst->nallow = mres->nallow ;
     dst->nenabled = mres->nenabled ;
     dst->nenabled = mres->ncontents ;
 
diff --git a/src/lib66/tree/tree_resolve_master_create.c b/src/lib66/tree/tree_resolve_master_create.c
index 62cdd321c7f731860741123389935afa3e262975..e588651103c2ff4342c6aa9969830b41f203cffa 100644
--- a/src/lib66/tree/tree_resolve_master_create.c
+++ b/src/lib66/tree/tree_resolve_master_create.c
@@ -45,6 +45,7 @@ int tree_resolve_master_create(char const *base, uid_t owner)
 
     mres.name = resolve_add_string(wres, SS_MASTER + 1) ;
     mres.allow = resolve_add_string(wres, pw->pw_name) ;
+    mres.nallow++ ;
 
     log_trace("write Master resolve file of trees") ;
     if (!resolve_write_g(wres, base, SS_MASTER + 1))
diff --git a/src/lib66/tree/tree_resolve_master_get_field_tosa.c b/src/lib66/tree/tree_resolve_master_get_field_tosa.c
index afc3f1592eb74909c51025e82bed8500c981f520..05a0bbe5ed1da67d7fe8fc827141e68063366484 100644
--- a/src/lib66/tree/tree_resolve_master_get_field_tosa.c
+++ b/src/lib66/tree/tree_resolve_master_get_field_tosa.c
@@ -49,6 +49,11 @@ int tree_resolve_master_get_field_tosa(stralloc *sa, resolve_tree_master_t *mres
             str = mres->sa.s + mres->contents ;
             break ;
 
+        case E_RESOLVE_TREE_MASTER_NALLOW:
+            fmt[uint32_fmt(fmt,mres->nallow)] = 0 ;
+            str = fmt ;
+            break ;
+
         case E_RESOLVE_TREE_MASTER_NENABLED:
             fmt[uint32_fmt(fmt,mres->nenabled)] = 0 ;
             str = fmt ;
diff --git a/src/lib66/tree/tree_resolve_master_modify_field.c b/src/lib66/tree/tree_resolve_master_modify_field.c
index c63c038c2f6b1dc7e69828024d086728f1eef0d4..b102ce11fb79f46c36b79dcaba0eb26cc7feddd5 100644
--- a/src/lib66/tree/tree_resolve_master_modify_field.c
+++ b/src/lib66/tree/tree_resolve_master_modify_field.c
@@ -29,6 +29,7 @@ resolve_field_table_t resolve_tree_master_field_table[] = {
     [E_RESOLVE_TREE_MASTER_ENABLED] = { .field = "enabled" },
     [E_RESOLVE_TREE_MASTER_CURRENT] = { .field = "current" },
     [E_RESOLVE_TREE_MASTER_CONTENTS] = { .field = "contents" },
+    [E_RESOLVE_TREE_MASTER_NALLOW] = { .field = "nallow" },
     [E_RESOLVE_TREE_MASTER_NENABLED] = { .field = "nenabled" },
     [E_RESOLVE_TREE_MASTER_NCONTENTS] = { .field = "ncontents" },
     [E_RESOLVE_TREE_MASTER_ENDOFKEY] = { .field = 0 }
@@ -65,6 +66,13 @@ int tree_resolve_master_modify_field(resolve_tree_master_t *mres, uint8_t field,
             mres->contents = resolve_add_string(wres,data) ;
             break ;
 
+        case E_RESOLVE_TREE_MASTER_NALLOW:
+            if (!data)
+                data = "0" ;
+            if (!uint0_scan(data, &ifield)) goto err ;
+            mres->nallow = ifield ;
+            break ;
+
         case E_RESOLVE_TREE_MASTER_NENABLED:
             if (!data)
                 data = "0" ;
diff --git a/src/lib66/tree/tree_resolve_master_read_cdb.c b/src/lib66/tree/tree_resolve_master_read_cdb.c
index 6615d199b33d795355d299cd3918415d7920b380..ccdfa3c2992fce3b204c561dcdbf3b115d2883f1 100644
--- a/src/lib66/tree/tree_resolve_master_read_cdb.c
+++ b/src/lib66/tree/tree_resolve_master_read_cdb.c
@@ -55,6 +55,10 @@ int tree_resolve_master_read_cdb(cdb *c, resolve_tree_master_t *mres)
     resolve_find_cdb(&tmp,c,"contents") ;
     mres->contents = tmp.len ? resolve_add_string(wres,tmp.s) : 0 ;
 
+    /* nallow */
+    x = resolve_find_cdb(&tmp,c,"nallow") ;
+    mres->nallow = x ;
+
     /* nenabled */
     x = resolve_find_cdb(&tmp,c,"nenabled") ;
     mres->nenabled = x ;
diff --git a/src/lib66/tree/tree_resolve_master_write_cdb.c b/src/lib66/tree/tree_resolve_master_write_cdb.c
index 765ae23b65aa9511361ebf0e2309f3373fb84444..1def395883ed9b9a89238f12c999417340402b68 100644
--- a/src/lib66/tree/tree_resolve_master_write_cdb.c
+++ b/src/lib66/tree/tree_resolve_master_write_cdb.c
@@ -40,6 +40,9 @@ int tree_resolve_master_write_cdb(cdbmaker *c, resolve_tree_master_t *mres)
     /* contents */
     !resolve_add_cdb(c,"contents",str, mres->contents, 1) ||
 
+    /* nallow */
+    !resolve_add_cdb_uint(c,"nallow", mres->nallow) ||
+
     /* nenabled */
     !resolve_add_cdb_uint(c,"nenabled",mres->nenabled) ||