1 files changed, 5 insertions, 0 deletions
diff --git a/limox.h b/limox.h
index 90a3b76..4f2d8c1 100644
--- a/limox.h
+++ b/limox.h
@@ -1,3 +1,6 @@
+#ifndef LIMOX_H
+#define LIMOX_H
+
 // life cycle / event loop related functions
 void limox_init(void);      // initialize limox
 void limox_run_once(void);  // process event loop for a short amount of time
@@ -6,3 +9,5 @@ void limox_quit(void);      // disconnect and clean up
 // interface for the GUI implementation
 void limox_connect(const char* jid, const char* password);
 void limox_disconnect(void);
+
+#endif