diff --git a/main.tf b/main.tf
index 1607968..5f74d9a 100644
--- a/main.tf
+++ b/main.tf
@@ -56,14 +56,14 @@ resource "azurerm_subnet" "subnet" {
 
 
   dynamic "delegation" {
-    for_each = local.subnet[each.key].delegation.name == "" ? [] : [0]
+    for_each = local.subnet[each.key].delegation
 
     content {
-      name = local.subnet[each.key].delegation.name == "" ? delegation.key : local.subnet[each.key].delegation.name
+      name = local.subnet[each.key].delegation[delegation.key].name == "" ? delegation.key : local.subnet[each.key].delegation[delegation.key].name
 
       service_delegation {
-        name    = local.subnet[each.key].delegation.service_delegation.name
-        actions = local.subnet[each.key].delegation.service_delegation.actions
+        name    = local.subnet[each.key].delegation[delegation.key].service_delegation.name
+        actions = local.subnet[each.key].delegation[delegation.key].service_delegation.actions
       }
     }
   }
diff --git a/variables.tf b/variables.tf
index 8dcf44c..ca6b3f5 100644
--- a/variables.tf
+++ b/variables.tf
@@ -306,13 +306,16 @@ locals {
       local.subnet_values[subnet],
       {
         for config in ["delegation"] :
-        config => merge(
-          merge(local.default.subnet[config], local.subnet_values[subnet][config]),
-          {
-            for subconfig in ["service_delegation"] :
-            subconfig => merge(local.default.subnet[config][subconfig], local.subnet_values[subnet][config][subconfig])
-          }
-        )
+        config => keys(local.subnet_values[subnet][config]) == keys(local.default.subnet[config]) ? {} : {
+          for key in keys(local.subnet_values[subnet][config]) :
+          key => merge(
+            merge(local.default.subnet[config], local.subnet_values[subnet][config][key]),
+            {
+              for subconfig in ["service_delegation"] :
+              subconfig => merge(local.default.subnet[config][subconfig], local.subnet_values[subnet][config][key][subconfig])
+            }
+          )
+        }
       }
     )
   }