diff --git a/drivers/st/regulator/regulator_fixed.c b/drivers/st/regulator/regulator_fixed.c
index f1c224e..6c9d3b1 100644
--- a/drivers/st/regulator/regulator_fixed.c
+++ b/drivers/st/regulator/regulator_fixed.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2021, STMicroelectronics - All Rights Reserved
+ * Copyright (c) 2021-2023, STMicroelectronics - All Rights Reserved
  *
  * SPDX-License-Identifier: BSD-3-Clause
  */
@@ -13,8 +13,8 @@
 #include <drivers/st/regulator_fixed.h>
 #include <libfdt.h>
 
-#ifndef PLAT_NB_FIXED_REGS
-#error "Missing PLAT_NB_FIXED_REGS"
+#ifndef PLAT_NB_FIXED_REGUS
+#error "Missing PLAT_NB_FIXED_REGUS"
 #endif
 
 #define FIXED_NAME_LEN 32
@@ -25,7 +25,7 @@
 	struct regul_description desc;
 };
 
-static struct fixed_data data[PLAT_NB_FIXED_REGS];
+static struct fixed_data data[PLAT_NB_FIXED_REGUS];
 
 static int fixed_set_state(const struct regul_description *desc, bool state)
 {
@@ -79,7 +79,7 @@
 		}
 
 		count++;
-		assert(count <= PLAT_NB_FIXED_REGS);
+		assert(count <= PLAT_NB_FIXED_REGUS);
 
 	}
 
diff --git a/plat/st/stm32mp1/stm32mp1_def.h b/plat/st/stm32mp1/stm32mp1_def.h
index c5e1b96..0fa6c73 100644
--- a/plat/st/stm32mp1/stm32mp1_def.h
+++ b/plat/st/stm32mp1/stm32mp1_def.h
@@ -634,7 +634,7 @@
 /* 3 PWR + 1 VREFBUF + 14 PMIC regulators + 1 FIXED */
 #define PLAT_NB_RDEVS			U(19)
 /* 2 FIXED */
-#define PLAT_NB_FIXED_REGS		U(2)
+#define PLAT_NB_FIXED_REGUS		U(2)
 
 /*******************************************************************************
  * Device Tree defines