diff --git a/src/service/service.cr b/src/service/service.cr
index cf81951..8d96af2 100644
--- a/src/service/service.cr
+++ b/src/service/service.cr
@@ -235,6 +235,7 @@ class Service
 	end
 
 	def save_pid(pid_dir, new_pid)
+		FileUtils.mkdir_p pid_dir
 		File.write get_pid_file(pid_dir), new_pid
 	end