diff --git a/modules/webapps/appservice/main.tf b/modules/webapps/appservice/main.tf
index cdd9aaa111..682442ae8c 100644
--- a/modules/webapps/appservice/main.tf
+++ b/modules/webapps/appservice/main.tf
@@ -27,12 +27,14 @@ locals {
 
   arm_filename = "${path.module}/arm_site_config.json"
 
-  app_settings = merge(try(var.app_settings, {}), try(local.dynamic_settings_to_process, {}), var.application_insight == null ? {} :
-    {
+  app_settings = merge(
+    var.application_insight == null ? {} : {
       "APPINSIGHTS_INSTRUMENTATIONKEY"             = var.application_insight.instrumentation_key,
       "APPLICATIONINSIGHTS_CONNECTION_STRING"      = var.application_insight.connection_string,
       "ApplicationInsightsAgent_EXTENSION_VERSION" = "~2"
-    }
+    },
+    try(var.app_settings, {}),
+    try(local.dynamic_settings_to_process, {})
   )
 
   backup_storage_account = can(var.settings.backup) ? var.storage_accounts[try(var.settings.backup.lz_key, var.client_config.landingzone_key)][var.settings.backup.storage_account_key] : null
diff --git a/modules/webapps/function_app/main.tf b/modules/webapps/function_app/main.tf
index 1cc33b7edc..a401486a5e 100644
--- a/modules/webapps/function_app/main.tf
+++ b/modules/webapps/function_app/main.tf
@@ -27,12 +27,14 @@ locals {
 
   arm_filename = "${path.module}/arm_site_config.json"
 
-  app_settings = merge(try(var.app_settings, {}), try(local.dynamic_settings_to_process, {}), var.application_insight == null ? {} :
-    {
+  app_settings = merge(
+    var.application_insight == null ? {} : {
       "APPINSIGHTS_INSTRUMENTATIONKEY"             = var.application_insight.instrumentation_key,
       "APPLICATIONINSIGHTS_CONNECTION_STRING"      = var.application_insight.connection_string,
       "ApplicationInsightsAgent_EXTENSION_VERSION" = "~2"
-    }
+    },
+    try(var.app_settings, {}),
+    try(local.dynamic_settings_to_process, {})
   )
 
-}
\ No newline at end of file
+}