diff --git a/bl32/tsp/tsp_interrupt.c b/bl32/tsp/tsp_interrupt.c
index 5719c06..ac45d7a 100644
--- a/bl32/tsp/tsp_interrupt.c
+++ b/bl32/tsp/tsp_interrupt.c
@@ -34,6 +34,7 @@
 #include <gic_v2.h>
 #include <tsp.h>
 #include <platform.h>
+#include <platform_def.h>
 
 /*******************************************************************************
  * This function updates the TSP statistics for FIQs handled synchronously i.e