diff --git a/plat/st/stm32mp1/stm32mp1_def.h b/plat/st/stm32mp1/stm32mp1_def.h
index ee1644c..b43245f 100644
--- a/plat/st/stm32mp1/stm32mp1_def.h
+++ b/plat/st/stm32mp1/stm32mp1_def.h
@@ -465,6 +465,8 @@
  ******************************************************************************/
 /* 3 PWR + 1 VREFBUF + 14 PMIC regulators + 1 FIXED */
 #define PLAT_NB_RDEVS			U(19)
+/* 1 FIXED */
+#define PLAT_NB_FIXED_REGS		U(1)
 
 /*******************************************************************************
  * Device Tree defines