diff --git a/meta-arm-bsp/conf/machine/include/corstone1000.inc b/meta-arm-bsp/conf/machine/include/corstone1000.inc
index 994fb06d..2c554d4b 100644
--- a/meta-arm-bsp/conf/machine/include/corstone1000.inc
+++ b/meta-arm-bsp/conf/machine/include/corstone1000.inc
@@ -11,7 +11,6 @@ TFA_BL2_BINARY = "bl2-corstone1000.bin"
 TFA_FIP_BINARY = "fip-corstone1000.bin"
 
 # TF-M
-PREFERRED_VERSION_trusted-firmware-m ?= "1.4%"
 TFM_PLATFORM = "arm/corstone1000"
 EXTRA_IMAGEDEPENDS += "virtual/trusted-firmware-m"
 
diff --git a/meta-arm-bsp/recipes-bsp/trusted-firmware-m/trusted-firmware-m-corstone1000.inc b/meta-arm-bsp/recipes-bsp/trusted-firmware-m/trusted-firmware-m-corstone1000.inc
index 19222d5c..a0603589 100644
--- a/meta-arm-bsp/recipes-bsp/trusted-firmware-m/trusted-firmware-m-corstone1000.inc
+++ b/meta-arm-bsp/recipes-bsp/trusted-firmware-m/trusted-firmware-m-corstone1000.inc
@@ -12,7 +12,7 @@ SRCBRANCH_tfm = "master"
 SRCREV_tfm = "dc605e057470bb0eb0e92c2aafb443300a90c43f"
 SRCREV_mcuboot = "29099e1d17f93ae1d09fe945ad191b703aacd3d8"
 
-PV = "1.5+git${SRCPV}"
+PV = "1.5+git${SRCREV_tfm}"
 
 # The install task signs the TF-A BL2 and FIP binaries.
 # So they need to be copied to the sysroot. Hence the dependencies below: