diff --git a/meta-arm/meta-arm/recipes-bsp/trusted-firmware-a/tf-a-tests_2.7.0.bb b/meta-arm/meta-arm/recipes-bsp/trusted-firmware-a/tf-a-tests_2.7.0.bb
index 645b245..8ded64d 100644
--- a/meta-arm/meta-arm/recipes-bsp/trusted-firmware-a/tf-a-tests_2.7.0.bb
+++ b/meta-arm/meta-arm/recipes-bsp/trusted-firmware-a/tf-a-tests_2.7.0.bb
@@ -7,9 +7,11 @@
 
 COMPATIBLE_MACHINE ?= "invalid"
 
-SRC_URI = "git://git.trustedfirmware.org/TF-A/tf-a-tests.git;protocol=https;branch=master \
+SRC_URI_TRUSTED_FIRMWARE_A_TESTS ?= "git://git.trustedfirmware.org/TF-A/tf-a-tests.git;protocol=https"
+SRC_URI = "${SRC_URI_TRUSTED_FIRMWARE_A_TESTS};branch=${SRCBRANCH} \
           file://tf-a-tests-no-warn-rwx-segments.patch"
-SRCREV ?= "5f591f67738a1bbe6b262c53d9dad46ed8bbcd67"
+SRCBRANCH = "master"
+SRCREV = "5f591f67738a1bbe6b262c53d9dad46ed8bbcd67"
 
 DEPENDS += "optee-os"