diff --git a/userspace/usr/comma/apt_setup.sh b/userspace/usr/comma/apt_setup.sh
index 75e3b60..21bacde 100755
--- a/userspace/usr/comma/apt_setup.sh
+++ b/userspace/usr/comma/apt_setup.sh
@@ -1,5 +1,10 @@
 #!/bin/bash -e
 
+# Skip unless this is a booted systemd system.
+if [ ! -d /run/systemd/system ]; then
+  exit 0
+fi
+
 sudo mount -o rw,remount /
 sudo resize2fs $(findmnt -n -o SOURCE /) &>/dev/null || sudo resize2fs $(findmnt -n -o SOURCE /)
 sudo mount -o remount,size=1500M /var
diff --git a/userspace/usr/comma/apt_teardown.sh b/userspace/usr/comma/apt_teardown.sh
index 76cf4fe..57f3128 100755
--- a/userspace/usr/comma/apt_teardown.sh
+++ b/userspace/usr/comma/apt_teardown.sh
@@ -1,3 +1,8 @@
 #!/bin/bash
 
+# Skip unless this is a booted systemd system.
+if [ ! -d /run/systemd/system ]; then
+  exit 0
+fi
+
 sudo mount -o ro,remount / || true