diff --git a/worldbuild-worker.py b/worldbuild-worker.py
index 362daee..4855a6b 100755
--- a/worldbuild-worker.py
+++ b/worldbuild-worker.py
@@ -76,7 +76,7 @@ while i < argc:
 		sys.exit(1)
 	i += 1
 
-if api != None:
+if api == None:
 	print("Error: No API url given")
 	sys.exit(1)