diff --git a/meta/io.murano/Classes/resources/ExistingNeutronNetwork.yaml b/meta/io.murano/Classes/resources/ExistingNeutronNetwork.yaml
index b7c7e4d0..bb4bbd78 100644
--- a/meta/io.murano/Classes/resources/ExistingNeutronNetwork.yaml
+++ b/meta/io.murano/Classes/resources/ExistingNeutronNetwork.yaml
@@ -38,8 +38,7 @@ Properties:
 Workflow:
   initialize:
     Body:
-      - $environment: $.find(std:Environment).require()
-      - $._netExplorer: new(sys:NetworkExplorer, $environment)
+      - $._netExplorer: new(sys:NetworkExplorer, $this.getRegion())
       - $._networks: null
       - $._subnetworks: null
       - $._ports: null
@@ -99,7 +98,7 @@ Workflow:
 
   _getNetworks:
     Body:
-      - If: $._networks = null
+      - If: not $._networks
         Then:
           $._networks: $._netExplorer.listNetworks()
       - Return: $._networks
diff --git a/meta/io.murano/Classes/resources/NeutronNetworkBase.yaml b/meta/io.murano/Classes/resources/NeutronNetworkBase.yaml
index 9e93c2d0..ca7d63d7 100644
--- a/meta/io.murano/Classes/resources/NeutronNetworkBase.yaml
+++ b/meta/io.murano/Classes/resources/NeutronNetworkBase.yaml
@@ -24,7 +24,7 @@ Methods:
     Body:
       - $._environment: $.find(std:Environment)
       - $._region: $.getRegion()
-      - $._netExplorer: new(sys:NetworkExplorer, $this)
+      - $._netExplorer: new(sys:NetworkExplorer, $this._region)
       - $._securityGroupsEnabled: $._netExplorer.listNeutronExtensions().alias.contains('security-group')
 
   joinInstanceToNetwork: