diff --git a/automation/scripts/qemu-smoke-dom0-arm32.sh b/automation/scripts/qemu-smoke-dom0-arm32.sh
index a4b487b080..d916489056 100755
--- a/automation/scripts/qemu-smoke-dom0-arm32.sh
+++ b/automation/scripts/qemu-smoke-dom0-arm32.sh
@@ -68,7 +68,7 @@ XEN_CMD="console=dtuart dom0_mem=1024M bootscrub=0 console_timestamps=boot"
 NUM_DOMUS=0
 
 LOAD_CMD="tftpb"
-BOOT_CMD="bootm"
+BOOT_CMD="bootz"
 UBOOT_SOURCE="boot.source"
 UBOOT_SCRIPT="boot.scr"' > config
 
diff --git a/automation/scripts/qemu-smoke-dom0less-arm32.sh b/automation/scripts/qemu-smoke-dom0less-arm32.sh
index 7e3cfbe9c4..e31b6b9014 100755
--- a/automation/scripts/qemu-smoke-dom0less-arm32.sh
+++ b/automation/scripts/qemu-smoke-dom0less-arm32.sh
@@ -101,7 +101,7 @@ DOMU_MEM[0]="512"
 NUM_DOMUS=1
 
 LOAD_CMD="tftpb"
-BOOT_CMD="bootm"
+BOOT_CMD="bootz"
 UBOOT_SOURCE="boot.source"
 UBOOT_SCRIPT="boot.scr"' > config