diff --git a/Scripts/NodeDataCache.cs b/Scripts/NodeDataCache.cs
index 262ef04..d6b7062 100644
--- a/Scripts/NodeDataCache.cs
+++ b/Scripts/NodeDataCache.cs
@@ -23,12 +23,17 @@ namespace XNode {
             }
 
             // Cleanup port dict - Remove nonexisting static ports - update static port types
+            // Loop through current node ports
             foreach (NodePort port in ports.Values.ToList()) {
+                // If port still exists, check it it has been changed
                 if (staticPorts.ContainsKey(port.fieldName)) {
                     NodePort staticPort = staticPorts[port.fieldName];
-                    if (port.IsDynamic || port.direction != staticPort.direction) ports.Remove(port.fieldName);
+                    // If port exists but with wrong settings, remove it. Re-add it later.
+                    if (port.connectionType != staticPort.connectionType || port.IsDynamic || port.direction != staticPort.direction) ports.Remove(port.fieldName);
                     else port.ValueType = staticPort.ValueType;
-                } else if (port.IsStatic) ports.Remove(port.fieldName);
+                }
+                // If port doesn't exist anymore, remove it
+                else if (port.IsStatic) ports.Remove(port.fieldName);
             }
             // Add missing ports
             foreach (NodePort staticPort in staticPorts.Values) {