diff --git a/src_web/comfyui/fast_groups_muter.ts b/src_web/comfyui/fast_groups_muter.ts
index e97c5ca..80ec005 100644
--- a/src_web/comfyui/fast_groups_muter.ts
+++ b/src_web/comfyui/fast_groups_muter.ts
@@ -76,6 +76,14 @@ export abstract class BaseFastGroupsModeChanger extends RgthreeBaseVirtualNode {
     return super.onConstructed();
   }
 
+  override configure(info: SerializedLGraphNode<LGraphNode>): void {
+    // Patch a small issue (~14h) where multiple OPT_CONNECTIONS may have been created.
+    // https://github.com/rgthree/rgthree-comfy/issues/206
+    // TODO: This can probably be removed within a few weeks.
+    info.outputs.length = 1;
+    super.configure(info);
+  }
+
   override onAdded(graph: TLGraph): void {
     FAST_GROUPS_SERVICE.addFastGroupNode(this);
   }
diff --git a/web/comfyui/fast_groups_muter.js b/web/comfyui/fast_groups_muter.js
index 5d6b25c..6de3e3f 100644
--- a/web/comfyui/fast_groups_muter.js
+++ b/web/comfyui/fast_groups_muter.js
@@ -29,6 +29,10 @@ export class BaseFastGroupsModeChanger extends RgthreeBaseVirtualNode {
         this.addOutput("OPT_CONNECTION", "*");
         return super.onConstructed();
     }
+    configure(info) {
+        info.outputs.length = 1;
+        super.configure(info);
+    }
     onAdded(graph) {
         FAST_GROUPS_SERVICE.addFastGroupNode(this);
     }