diff --git a/libraries/PID/examples/pid/make.inc b/libraries/PID/examples/pid/make.inc
index 35583dc2ba..a979484b1d 100644
--- a/libraries/PID/examples/pid/make.inc
+++ b/libraries/PID/examples/pid/make.inc
@@ -5,3 +5,4 @@ LIBRARIES += PID
 LIBRARIES += StorageManager
 LIBRARIES += AP_ADC
 LIBRARIES += GCS_MAVLink
+LIBRARIES += DataFlash