diff --git a/plat/st/stm32mp1/stm32mp1_def.h b/plat/st/stm32mp1/stm32mp1_def.h
index 080bf01..b654889 100644
--- a/plat/st/stm32mp1/stm32mp1_def.h
+++ b/plat/st/stm32mp1/stm32mp1_def.h
@@ -375,8 +375,13 @@
  ******************************************************************************/
 #define STM32MP1_TZC_BASE		U(0x5C006000)
 
+#if STM32MP13
+#define STM32MP1_FILTER_BIT_ALL		TZC_400_REGION_ATTR_FILTER_BIT(0)
+#endif
+#if STM32MP15
 #define STM32MP1_FILTER_BIT_ALL		(TZC_400_REGION_ATTR_FILTER_BIT(0) | \
 					 TZC_400_REGION_ATTR_FILTER_BIT(1))
+#endif
 
 /*******************************************************************************
  * STM32MP1 SDMMC