diff --git a/arch/arm/src/stm32/stm32_bkp.h b/arch/arm/src/stm32/stm32_bkp.h
index aefb746b75..9e2533bed3 100644
--- a/arch/arm/src/stm32/stm32_bkp.h
+++ b/arch/arm/src/stm32/stm32_bkp.h
@@ -42,9 +42,17 @@
 
 #include <nuttx/config.h>
 
+/* Only the STM32 F1 family has a dedicated address region for BKP memory.  For F2,
+ * F3, and F3 parts, the bKP registers lie in the same address region as the RTCC
+ * and the definitions in chip/stm32_rtcc.h should be used to access backup
+ * registers.  NOTE:  These definitions are not interchangeable!
+ */
+
+#include "chip.h"
 #ifdef CONFIG_STM32_STM32F10XX
-#  include "chip.h"
 #  include "chip/stm32_bkp.h"
+#else
+#  include "chip/stm32_rtcc.h"
 #endif
 
 /************************************************************************************