diff --git a/scripts/build-chunk.py b/scripts/build-chunk.py
index b540af6..569a138 100755
--- a/scripts/build-chunk.py
+++ b/scripts/build-chunk.py
@@ -44,6 +44,7 @@ while i < argc:
 		print("      --host        Logger host")
 		print("      --port        Logger port")
 		print("  -h, --help        Shows this help and exit")
+	i += 1
 
 def send_status(name, status):
 	try:
diff --git a/scripts/worldbuild.py b/scripts/worldbuild.py
index 50fbe12..4305890 100755
--- a/scripts/worldbuild.py
+++ b/scripts/worldbuild.py
@@ -337,9 +337,10 @@ elif db_strategy == "chunk":
 		ii += 1
 
 	db_prefix = "-p " + db_prefix
-	os.system("echo '" + tile_list + "' | parallel --eta -j " + str(threads) + " ./scripts/build-chunck.py {} " + str(db_prefix))
+	os.system("echo '" + tile_list + "' | parallel --eta -j " + str(threads) + " ./scripts/build-chunk.py {} " + str(db_prefix))
 elif db_startegy == "mono":
-	pass
+	print("ERROR: NOT YET IMPLEMENTED")
+	sys.exit(1)
 
 print_build_time(start_time, time.time())