diff --git a/airootfs/usr/local/bin/cowspace-set b/airootfs/usr/local/bin/cowspace-set
new file mode 100755
index 0000000..fe4b5a8
--- /dev/null
+++ b/airootfs/usr/local/bin/cowspace-set
@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+
+set -e
+
+
+if [[ "$1" == "-h" || "$1" == "--help" || "$1" == "" ]]; then
+    cat <<EOF
+Usage: $0 SIZE
+Resizes the root of the live filesystem.
+
+SIZE is an integer with optional unit.
+Valid units are K,M,G,T,P, and E, denoting powers of 1024.
+EOF
+    exit 0
+fi
+
+if [[ "$EUID" != 0 ]]; then
+    echo "Please run this script as root."
+    exit 1
+fi
+
+
+set -x
+
+mount -o remount,size="$1" /run/archiso/cowspace
diff --git a/profiledef.sh b/profiledef.sh
index 3d0e3f0..4604e69 100644
--- a/profiledef.sh
+++ b/profiledef.sh
@@ -26,5 +26,6 @@ file_permissions=(
   ["/usr/local/bin/Installation_guide"]="0:0:755"
   ["/usr/local/bin/livecd-sound"]="0:0:755"
   ["/usr/local/bin/import-gsettings"]="0:0:755"
+  ["/usr/local/bin/cowspace-set"]="0:0:755"
   ["/etc/profile.d/99-greeting.sh"]="0:0:755"
 )