diff --git a/demos/ATSAMA5D2/RT-SAMA5D2-XPLAINED/mcuconf.h b/demos/ATSAMA5D2/RT-SAMA5D2-XPLAINED/mcuconf.h
index 3c9f0dbc6..41cbe1f43 100644
--- a/demos/ATSAMA5D2/RT-SAMA5D2-XPLAINED/mcuconf.h
+++ b/demos/ATSAMA5D2/RT-SAMA5D2-XPLAINED/mcuconf.h
@@ -79,6 +79,13 @@
 #define SAMA_SERIAL_FLEXCOM3_IRQ_PRIORITY   4
 #define SAMA_SERIAL_FLEXCOM4_IRQ_PRIORITY   4
 
+/*
+ * ST driver settings.
+ */
+#define SAMA_ST_USE_PIT                     TRUE
+#define SAMA_ST_USE_TC0                     FALSE
+#define SAMA_ST_USE_TC1                     FALSE
+
 /*
  * TC driver system settings.
  */