diff --git a/packages/editor-ui/src/Interface.ts b/packages/editor-ui/src/Interface.ts
index e28ebee5f5..d39a992ae1 100644
--- a/packages/editor-ui/src/Interface.ts
+++ b/packages/editor-ui/src/Interface.ts
@@ -50,6 +50,7 @@ declare module 'jsplumb' {
 	interface OnConnectionBindInfo {
 		originalSourceEndpoint: Endpoint;
 		originalTargetEndpoint: Endpoint;
+		getParameters(): { index: number };
 	}
 }
 
diff --git a/packages/editor-ui/src/store.ts b/packages/editor-ui/src/store.ts
index d74abb8b7b..cb40bc3e7f 100644
--- a/packages/editor-ui/src/store.ts
+++ b/packages/editor-ui/src/store.ts
@@ -502,7 +502,7 @@ export const store = new Vuex.Store({
 			state.lastSelectedNode = nodeName;
 		},
 
-		setLastSelectedNodeOutputIndex(state, outputIndex: number | null) {
+		setLastSelectedNodeOutputIndex (state, outputIndex: number | null) {
 			state.lastSelectedNodeOutputIndex = outputIndex;
 		},