diff --git a/recipes-bsp/trusted-firmware-a/tf-a-stm32mp/0001-correct-DTC-version-detection.patch b/recipes-bsp/trusted-firmware-a/tf-a-stm32mp/0001-correct-DTC-version-detection.patch
new file mode 100644
index 0000000..3cccaeb
--- /dev/null
+++ b/recipes-bsp/trusted-firmware-a/tf-a-stm32mp/0001-correct-DTC-version-detection.patch
@@ -0,0 +1,26 @@
+From a9163bb270c27524c36cfc216ddb61169a7ccef8 Mon Sep 17 00:00:00 2001
+From: Christophe Priouzeau <christophe.priouzeau@foss.st.com>
+Date: Fri, 29 Apr 2022 16:57:28 +0200
+Subject: [PATCH] correct DTC version detection
+
+Signed-off-by: Christophe Priouzeau <christophe.priouzeau@foss.st.com>
+---
+ plat/st/stm32mp1/platform.mk | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/plat/st/stm32mp1/platform.mk b/plat/st/stm32mp1/platform.mk
+index 55acd6742..2db7b506c 100644
+--- a/plat/st/stm32mp1/platform.mk
++++ b/plat/st/stm32mp1/platform.mk
+@@ -109,7 +109,7 @@ endif
+ endif
+ 
+ $(eval DTC_V = $(shell $(DTC) -v | awk '{print $$NF}'))
+-$(eval DTC_VERSION = $(shell printf "%d" $(shell echo ${DTC_V} | cut -d- -f1 | sed "s/\./0/g")))
++$(eval DTC_VERSION = $(shell printf "%d" $(shell echo ${DTC_V} | cut -d- -f1 | sed "s/\./0/g" | grep -o [0-9]*)))
+ DTC_CPPFLAGS		+=	${INCLUDES}
+ DTC_FLAGS		+=	-Wno-unit_address_vs_reg
+ ifeq ($(shell test $(DTC_VERSION) -ge 10601; echo $$?),0)
+-- 
+2.25.1
+
diff --git a/recipes-bsp/trusted-firmware-a/tf-a-stm32mp_2.4.bb b/recipes-bsp/trusted-firmware-a/tf-a-stm32mp_2.4.bb
index d2fb5fb..c992165 100644
--- a/recipes-bsp/trusted-firmware-a/tf-a-stm32mp_2.4.bb
+++ b/recipes-bsp/trusted-firmware-a/tf-a-stm32mp_2.4.bb
@@ -16,6 +16,8 @@ SRC_URI += " \
     file://0001-st-update-v2.4-r1.0.0.patch \
     file://0002-v2.4-stm32mp-r1.1-rc1.patch \
     file://0003-v2.4-stm32mp-r2.patch \
+    \
+    file://0001-correct-DTC-version-detection.patch \
     "
 
 TF_A_VERSION = "v2.4"