diff --git a/hashtable.h b/hashtable.h
index 5aa1a46..d482861 100644
--- a/hashtable.h
+++ b/hashtable.h
@@ -1,9 +1,9 @@
-#include <stdlib.h>
-#include <stdbool.h>
-
 #ifndef HASHTABLE_H
 #define HASHTABLE_H
 
+#include <stdlib.h>
+#include <stdbool.h>
+
 typedef struct {
 	bool exists;
 	size_t sizet;
diff --git a/sdbm.h b/sdbm.h
index 71f27de..ab49b6d 100644
--- a/sdbm.h
+++ b/sdbm.h
@@ -1,6 +1,6 @@
-#include <stdlib.h>
 #ifndef SDBM_H
 #define SDBM_H
+
 #include <stdlib.h>
 
 static unsigned long sdbm(char *str) {