diff --git a/src/custom_modules/VoidGPIO.js b/src/custom_modules/VoidGPIO.js
index 02bebce..c87e6d6 100644
--- a/src/custom_modules/VoidGPIO.js
+++ b/src/custom_modules/VoidGPIO.js
@@ -46,16 +46,16 @@ module.exports = {
         pins.forEach(async (pin) => {
             switch (pin.mode) {
                 case 'OUT':
-                    togglePin(pin.board, err => {
+                    this.togglePin(pin.board, err => {
                         if (err) throw err;
                     });
                     // Wait 1000ms before toggling again.
-                    setTimeout(togglePin(pin.board, err => {
+                    setTimeout(this.togglePin(pin.board, err => {
                         if (err) throw err;
                     }), 1000);
                     break;
                 case 'IN':
-                    sensePin(pin.board, (state, err) => {
+                    this.sensePin(pin.board, (state, err) => {
                         if (err) throw err;
                         console.log(`${pin.key} state: ${state}`);
                     });