diff --git a/aarch64/run_qemu.sh b/aarch64/run_qemu.sh
index ceb499b..bce5d54 100755
--- a/aarch64/run_qemu.sh
+++ b/aarch64/run_qemu.sh
@@ -95,7 +95,7 @@
 	local size="$5"
 
 	# Convert input DTB back to source.
-	dtc -I dtb -O dts -o "${tmp}" "${in}"
+	${DTC} -I dtb -O dts -o "${tmp}" "${in}"
 
 	# Append an overlay describing the kernel payload.
 	cat <<EOF >> "${tmp}"
@@ -110,7 +110,7 @@
 EOF
 
 	# Compile back to DTB.
-	dtc -I dts -O dtb -o "${out}" "${tmp}"
+	${DTC} -I dts -O dtb -o "${out}" "${tmp}"
 }
 
 CMD=()
diff --git a/common.inc b/common.inc
index 3c2598e..0387a8b 100644
--- a/common.inc
+++ b/common.inc
@@ -43,6 +43,8 @@
 KUT_OUT="${OUT_DIR}/kvm-unit-tests"
 KUT_TEST_DIR="${KUT_OUT}/tests"
 
+DTC="${OUT_DIR}/u-boot/scripts/dtc/dtc"
+
 # Define a variable with a given default value. Also defines
 # variable DEFAULT_<name> with the default value.
 # Args: