diff --git a/libraries/AP_ADC/examples/AP_ADC_test/AP_ADC_test.pde b/libraries/AP_ADC/examples/AP_ADC_test/AP_ADC_test.pde
index cf1b051f25..89f71bd3d6 100644
--- a/libraries/AP_ADC/examples/AP_ADC_test/AP_ADC_test.pde
+++ b/libraries/AP_ADC/examples/AP_ADC_test/AP_ADC_test.pde
@@ -12,7 +12,7 @@
 FastSerialPort0(Serial);        // FTDI/console
 
 Arduino_Mega_ISR_Registry isr_registry;
-AP_PeriodicProcess  adc_scheduler;
+AP_TimerProcess  adc_scheduler;
 
 
 unsigned long timer;