diff --git a/src/quilt/index.js b/src/quilt/index.js
index 1bf1da4..1321654 100644
--- a/src/quilt/index.js
+++ b/src/quilt/index.js
@@ -10,7 +10,7 @@ window.setup = () => {
   drawQuilt()
 }
 window.onresize = window.setup
-window.onmousedown = () => drawQuilt()
+window.touchStarted = () => drawQuilt()
 
 const drawQuilt = () => {
   strokeWeight(3)
diff --git a/src/random-lines/index.js b/src/random-lines/index.js
index 27c4079..f8175c6 100644
--- a/src/random-lines/index.js
+++ b/src/random-lines/index.js
@@ -9,7 +9,7 @@ window.setup = () => {
   drawLines()
 }
 window.onresize = window.setup
-window.onmousedown = () => drawLines()
+window.touchStarted = () => drawLines()
 
 const drawLines = () => {
   background(255)