diff --git a/src/machines/modelingMachine.ts b/src/machines/modelingMachine.ts
index 18368b9c1..fb250022c 100644
--- a/src/machines/modelingMachine.ts
+++ b/src/machines/modelingMachine.ts
@@ -862,6 +862,8 @@ export const modelingMachine = setup({
       }
       sceneInfra.setCallbacks({
         onClick: (args) => {
+          if (!args) return
+          if (args.mouseEvent.which !== 1) return
           const twoD = args.intersectionPoint?.twoD
           if (twoD) {
             sceneInfra.modelingSend({
@@ -893,6 +895,8 @@ export const modelingMachine = setup({
       }
       sceneInfra.setCallbacks({
         onClick: (args) => {
+          if (!args) return
+          if (args.mouseEvent.which !== 1) return
           const twoD = args.intersectionPoint?.twoD
           if (twoD) {
             sceneInfra.modelingSend({