diff --git a/camera.js b/camera.js
index c8f5711..fea1a2a 100644
--- a/camera.js
+++ b/camera.js
@@ -171,15 +171,15 @@ function createCamera(element, options) {
     var xy = mouseOffset(ev.changedTouches[0], element)
     handleInteraction(0, xy[0], xy[1], lastMods)
     handleInteraction(1, xy[0], xy[1], lastMods)
-  })
+  }, {passive: true})
   element.addEventListener('touchmove', function (ev) {
     var xy = mouseOffset(ev.changedTouches[0], element)
     handleInteraction(1, xy[0], xy[1], lastMods)
-  })
+  }, {passive: true})
   element.addEventListener('touchend', function (ev) {
     var xy = mouseOffset(ev.changedTouches[0], element)
     handleInteraction(0, lastX, lastY, lastMods)
-  })
+  }, {passive: true})
 
   function handleInteraction (buttons, x, y, mods) {
     var scale = 1.0 / element.clientHeight