1 files changed, 2 insertions, 0 deletions

diff --git a/structs.h b/structs.h
index b7ccf3a..e1de3ed 100644
--- a/structs.h
+++ b/structs.h
@@ -1,3 +1,5 @@
+#pragma once
+
 #include <X11/Xlib.h>
 
 #include <vector>