diff --git a/config b/config
index 4bc4882..dfc220a 100644
--- a/config
+++ b/config
@@ -29,7 +29,7 @@ mirror="http://auto.mirror.devuan.org/merged"
 section="main"
 
 image_name="$os_$release_$version_$arch"
-[[ -n $device_name ]] && image_name="${image_name}_${device_name}"
+[[ -n $device_name ]] && image_name+="_${device_name}"
 
 core_packages=(
 	devuan-keyring
diff --git a/zlibs/helpers b/zlibs/helpers
index 6b2d218..238aefa 100644
--- a/zlibs/helpers
+++ b/zlibs/helpers
@@ -70,6 +70,8 @@ findloopmapp() {
 	mappdevice=$(sudo kpartx -va $loopdevice | sed -E 's/.*(loop[0-9])p.*/\1/g' | sed 1q)
 	func "loopdevice: $loopdevice"
 	func "mappdevice: $mappdevice"
+
+	silly sleep 4
 }
 
 qemu_install_user() {
diff --git a/zlibs/imaging b/zlibs/imaging
index ebce840..d36f74b 100644
--- a/zlibs/imaging
+++ b/zlibs/imaging
@@ -52,8 +52,6 @@ image_partition_raw_dos() {
 	bootpart=${mappdevice}p1
 	rootpart=${mappdevice}p2
 
-	sleep 1
-
 	notice "formatting partitions..."
 	sudo mkfs.vfat ${bootpart}
 	sudo mkfs.ext4 ${rootpart}