diff --git a/helpers/envkernel.sh b/helpers/envkernel.sh
index a0aaaa9e..5b539875 100644
--- a/helpers/envkernel.sh
+++ b/helpers/envkernel.sh
@@ -63,19 +63,19 @@ export_pmbootstrap_dir() {
 set_alias_pmbootstrap() {
 	pmbootstrap="$pmbootstrap_dir"/pmbootstrap.py
 	# shellcheck disable=SC2139
-	alias pmbootstrap="$pmbootstrap"
+	alias pmbootstrap="\"$pmbootstrap\""
 	if [ -e ~/.config/pmbootstrap.cfg ]; then
-		$pmbootstrap work_migrate
+		"$pmbootstrap" work_migrate
 	else
 		echo "NOTE: First run of pmbootstrap, running 'pmbootstrap init'"
-		$pmbootstrap init
+		"$pmbootstrap" init
 	fi
 }
 
 
 export_chroot_device_deviceinfo() {
-	chroot="$($pmbootstrap config work)/chroot_native"
-	device="$($pmbootstrap config device)"
+	chroot="$("$pmbootstrap" config work)/chroot_native"
+	device="$("$pmbootstrap" config device)"
 	deviceinfo="$pmbootstrap_dir/aports/device/device-$device/deviceinfo"
 	export chroot device deviceinfo
 }
@@ -102,7 +102,7 @@ initialize_chroot() {
 	echo "Initializing Alpine chroot (details: 'pmbootstrap log')"
 
 	# shellcheck disable=SC2154
-	$pmbootstrap -q chroot -- apk -q add \
+	"$pmbootstrap" -q chroot -- apk -q add \
 		abuild \
 		bc \
 		binutils-"$deviceinfo_arch" \
@@ -138,7 +138,7 @@ mount_kernel_source() {
 create_output_folder() {
 	[ -d "$chroot/mnt/linux/.output" ] && return
 	mkdir -p ".output"
-	$pmbootstrap -q chroot -- chown -R pmos:pmos "/mnt/linux/.output"
+	"$pmbootstrap" -q chroot -- chown -R pmos:pmos "/mnt/linux/.output"
 }