diff --git a/arch/arm/include/kinetis/chip.h b/arch/arm/include/kinetis/chip.h
index 2da386c3da..d6e8533613 100644
--- a/arch/arm/include/kinetis/chip.h
+++ b/arch/arm/include/kinetis/chip.h
@@ -43,6 +43,7 @@
 
 #include <nuttx/config.h>
 #include <arch/kinetis/kinetis_mcg.h>
+#include <arch/kinetis/kinetis_sim.h>
 
 /************************************************************************************
  * Pre-processor Definitions