diff --git a/devstack/plugin.sh b/devstack/plugin.sh
index 606af5b7c..e0aae0a67 100644
--- a/devstack/plugin.sh
+++ b/devstack/plugin.sh
@@ -116,8 +116,15 @@ function prepare_tftp {
         else
             # download the agent image tarball
             IRONIC_INSPECTOR_KERNEL_PATH="$IRONIC_INSPECTOR_IMAGE_PATH.kernel"
-            wget "$IRONIC_AGENT_KERNEL_URL" -O $IRONIC_INSPECTOR_KERNEL_PATH
-            wget "$IRONIC_AGENT_RAMDISK_URL" -O $IRONIC_INSPECTOR_INITRAMFS_PATH
+            if [ ! -e "$IRONIC_INSPECTOR_KERNEL_PATH" -o ! -e "$IRONIC_INSPECTOR_INITRAMFS_PATH" ]; then
+                if [ -e "$IRONIC_DEPLOY_KERNEL_PATH" -a -e "$IRONIC_DEPLOY_RAMDISK_PATH" ]; then
+                    cp $IRONIC_DEPLOY_KERNEL_PATH $IRONIC_INSPECTOR_KERNEL_PATH
+                    cp $IRONIC_DEPLOY_RAMDISK_PATH $IRONIC_INSPECTOR_INITRAMFS_PATH
+                else
+                    wget "$IRONIC_AGENT_KERNEL_URL" -O $IRONIC_INSPECTOR_KERNEL_PATH
+                    wget "$IRONIC_AGENT_RAMDISK_URL" -O $IRONIC_INSPECTOR_INITRAMFS_PATH
+                fi
+            fi
         fi
     else
         IRONIC_INSPECTOR_KERNEL_PATH="$IRONIC_INSPECTOR_IMAGE_PATH.kernel"