diff --git a/sprite-optimizer.py b/sprite-optimizer.py
index 1654760..9379c4a 100755
--- a/sprite-optimizer.py
+++ b/sprite-optimizer.py
@@ -216,5 +216,5 @@ if __name__ == "__main__":
 			f.close()
 			print("Code saved into", args.export[0])
 		except Exception as e:
-			print("Error:", str(e))
+			sys.exit("Error: " + str(e))
 	print(code)