diff --git a/src/lib/components/tree/ConfigTree.ts b/src/lib/components/tree/ConfigTree.ts
index f9e1d87..0693b82 100644
--- a/src/lib/components/tree/ConfigTree.ts
+++ b/src/lib/components/tree/ConfigTree.ts
@@ -18,6 +18,7 @@ import {
 } from "./TreeNode.svelte";
 import { v4 as uuidv4 } from "uuid";
 import { ElementType, grid, ModuleType } from "@intechstudio/grid-protocol";
+import { isModuleTypeCompatible } from "../../utils";
 
 export namespace Tree {
   export interface Options {
@@ -98,33 +99,29 @@ export namespace Tree {
   }
 
   function isCompatible(config: Config, types: string[]) {
-    if (config.type === ModuleType.VSN1L || config.type === ModuleType.VSN1R) {
-      return (
-        types.includes(ModuleType.VSN1L) || types.includes(ModuleType.VSN1R)
-      );
-    } else {
-      switch (config.configType) {
-        case "profile": {
-          const moduleTypes = types.filter((t): t is ModuleType =>
-            isModuleType(t),
-          );
-          return moduleTypes.includes(config.type as ModuleType);
-        }
-        case "preset": {
-          const elementTypes = types.filter((t): t is ElementType =>
-            isElementType(t),
-          );
-          const leftCompatible = elementTypes.some((e) =>
-            grid.is_element_compatible_with(e, config.type as ElementType),
-          );
-          const rightCompatible = elementTypes.some((e) =>
-            grid.is_element_compatible_with(config.type as ElementType, e),
-          );
-          return leftCompatible || rightCompatible;
-        }
-        case "snippet": {
-          return true;
-        }
+    switch (config.configType) {
+      case "profile": {
+        const moduleTypes = types.filter((t): t is ModuleType =>
+          isModuleType(t),
+        );
+        return moduleTypes.some((t) =>
+          isModuleTypeCompatible(config.type as ModuleType, t),
+        );
+      }
+      case "preset": {
+        const elementTypes = types.filter((t): t is ElementType =>
+          isElementType(t),
+        );
+        const leftCompatible = elementTypes.some((e) =>
+          grid.is_element_compatible_with(e, config.type as ElementType),
+        );
+        const rightCompatible = elementTypes.some((e) =>
+          grid.is_element_compatible_with(config.type as ElementType, e),
+        );
+        return leftCompatible || rightCompatible;
+      }
+      case "snippet": {
+        return true;
       }
     }
   }
diff --git a/src/lib/utils.ts b/src/lib/utils.ts
index 06fc244..13d4a42 100644
--- a/src/lib/utils.ts
+++ b/src/lib/utils.ts
@@ -1,9 +1,25 @@
 import type { EditorReturnType } from "./types";
+import { ModuleType } from "@intechstudio/grid-protocol";
 
 export function applyFocus(el: HTMLElement) {
   el.focus();
 }
 
+/**
+ * Module-type-level compatibility, e.g. for profile overwrite/load and the
+ * config tree's module grouping. VSN1L and VSN1R share a profile format and
+ * are treated as interchangeable; every other module type must match exactly.
+ * Not for element/preset compatibility - use grid.is_element_compatible_with
+ * for that, since a module match doesn't imply per-element event support.
+ */
+export function isModuleTypeCompatible(a: ModuleType, b: ModuleType): boolean {
+  const vsn1Modules = [ModuleType.VSN1L, ModuleType.VSN1R];
+  if (vsn1Modules.includes(a)) {
+    return vsn1Modules.includes(b);
+  }
+  return a === b;
+}
+
 export async function parentIframeCommunication({
   windowPostMessageName,
   dataForParent,
diff --git a/src/routes/EditorLayout.svelte b/src/routes/EditorLayout.svelte
index bc3eda3..64ce86a 100644
--- a/src/routes/EditorLayout.svelte
+++ b/src/routes/EditorLayout.svelte
@@ -25,7 +25,10 @@
   } from "../lib/schemas";
   import { fade } from "svelte/transition";
   import { Toggle } from "@intechstudio/grid-uikit";
-  import { parentIframeCommunication } from "../lib/utils";
+  import {
+    parentIframeCommunication,
+    isModuleTypeCompatible,
+  } from "../lib/utils";
   import {
     createConfigManager,
     updateLocalConfigs,
@@ -261,7 +264,12 @@
         files: editorConfig?.files,
       };
 
-      if (newConfig.type !== config.type) {
+      if (
+        !isModuleTypeCompatible(
+          newConfig.type as ModuleType,
+          config.type as ModuleType,
+        )
+      ) {
         parentIframeCommunication({
           windowPostMessageName: "sendLogMessage",
           dataForParent: {