diff --git a/images/centos.yaml b/images/centos.yaml
index bcffdabdd..1fc8bddfc 100644
--- a/images/centos.yaml
+++ b/images/centos.yaml
@@ -307,7 +307,7 @@ files:
 - path: /etc/dracut.conf.d/lxd.conf
   generator: dump
   content: |-
-    add_drivers+="virtio_scsi virtio_pci virtio_console"
+    add_drivers+=" virtio_scsi virtio_pci virtio_console "
   types:
   - vm
   releases:
@@ -316,7 +316,7 @@ files:
 - path: /etc/dracut.conf.d/lxd.conf
   generator: dump
   content: |-
-    add_drivers+="virtio_scsi virtio_console sd_mod"
+    add_drivers+=" virtio_scsi virtio_console sd_mod "
   types:
   - vm
   releases:
diff --git a/images/fedora.yaml b/images/fedora.yaml
index 309e452b4..e466382eb 100644
--- a/images/fedora.yaml
+++ b/images/fedora.yaml
@@ -58,7 +58,7 @@ files:
 - path: /etc/dracut.conf.d/lxd.conf
   generator: dump
   content: |-
-    add_drivers+=virtio_scsi
+    add_drivers+=" virtio_scsi "
   types:
   - vm
 
diff --git a/images/openeuler.yaml b/images/openeuler.yaml
index 1e371c504..19af04556 100644
--- a/images/openeuler.yaml
+++ b/images/openeuler.yaml
@@ -130,7 +130,7 @@ files:
 - path: /etc/dracut.conf.d/lxd.conf
   generator: dump
   content: |-
-    add_drivers+="virtio_scsi virtio_console sd_mod"
+    add_drivers+=" virtio_scsi virtio_console sd_mod "
   types:
   - vm
 
diff --git a/images/springdalelinux.yaml b/images/springdalelinux.yaml
index 20c780666..c688c8f45 100644
--- a/images/springdalelinux.yaml
+++ b/images/springdalelinux.yaml
@@ -193,7 +193,7 @@ files:
 - path: /etc/dracut.conf.d/lxd.conf
   generator: dump
   content: |-
-    add_drivers+="virtio_scsi virtio_pci virtio_console"
+    add_drivers+=" virtio_scsi virtio_pci virtio_console "
   types:
   - vm
   releases:
@@ -202,7 +202,7 @@ files:
 - path: /etc/dracut.conf.d/lxd.conf
   generator: dump
   content: |-
-    add_drivers+="virtio_scsi virtio_console sd_mod"
+    add_drivers+=" virtio_scsi virtio_console sd_mod "
   types:
   - vm
   releases: