diff --git a/worldbuild-worker.py b/worldbuild-worker.py
index 4791846..4904c8f 100755
--- a/worldbuild-worker.py
+++ b/worldbuild-worker.py
@@ -96,7 +96,7 @@ def cleanup():
 
 	run("rm -rf projects/worldbuild-" + name, shell=True)
 
-
+build = None
 try:
 	running = True
 	while running:
@@ -144,6 +144,7 @@ try:
 				build = Popen("./build -S 10 -t 1 worldbuild-" + name, stdout=log_file, stderr=STDOUT, shell=True, start_new_session=True)
 	
 			build.wait()
+			build = None
 	
 			cleanup()
 		
@@ -156,7 +157,8 @@ except KeyboardInterrupt:
 		print("Graceful shutdown triggered. To force immedate stop, press Ctrl+C again")
 	running = False
 	try:
-		build.wait()
+		if build != None:
+			build.wait()
 		cleanup()
 		if api != None:
 			api_send_status(name, "done", api, api_token)