diff --git a/graphs.hpp b/graphs.hpp
index 54f0271..882f2c7 100644
--- a/graphs.hpp
+++ b/graphs.hpp
@@ -1,5 +1,5 @@
 // Teal Dulcet, CS546
-
+#pragma once
 #include <iostream>
 #include <sstream>
 #include <cstring>
diff --git a/tables.hpp b/tables.hpp
index 5f9fe56..268b888 100644
--- a/tables.hpp
+++ b/tables.hpp
@@ -1,5 +1,5 @@
 // Teal Dulcet, CS546
-
+#pragma once
 #include <iostream>
 #include <sstream>
 #include <cstring>