1 files changed, 5 insertions, 0 deletions

diff --git a/shared.h b/shared.h
index 8efc3eb..2f796c7 100644
--- a/shared.h
+++ b/shared.h
@@ -1 +1,6 @@
+#ifndef SHARED_H_
+#define SHARED_H_
+
 extern std::map<std::string, std::string> config;
+
+#endif