diff --git a/src/main.cr b/src/main.cr
index c25282b..10261b3 100644
--- a/src/main.cr
+++ b/src/main.cr
@@ -141,6 +141,12 @@ class RootFS::RootFS
 	end
 
 	protected def create!(template : String)
+		template_as_array = template.split /-/
+
+		template_name = template_as_array[0].downcase
+		template_version = template_as_array[1]?
+		template_architecture = template_as_array[2]?
+
 		# FIXME: Alternate backends.
 		# FIXME: template string parsing.
 		is_btrfs = true # FIXME: do the actual detection
@@ -151,7 +157,11 @@ class RootFS::RootFS
 
 		execute "btrfs subvolume create '#{@directory}'"
 
-		execute "debootstrap --arch amd64 '#{template}' '#{@directory}'"
+		if template_name == "debian"
+			version = template_version || "buster"
+
+			execute "debootstrap --arch amd64 '#{version}' '#{@directory}'"
+		end
 	end
 
 	def self.load(directory)