diff --git a/include/r3_str.h b/include/r3_str.h
index f5f8935..0775d06 100644
--- a/include/r3_str.h
+++ b/include/r3_str.h
@@ -7,7 +7,7 @@
 #ifndef STR_H
 #define STR_H
 
-#include "r3_define.h"
+#include "r3.h"
 #include "config.h"
 
 int slug_count(char * p, int len);
diff --git a/src/str.c b/src/str.c
index 92d460b..3d70b7e 100644
--- a/src/str.c
+++ b/src/str.c
@@ -8,9 +8,9 @@
 #include <stdlib.h>
 #include <string.h>
 #include <assert.h>
+#include "r3.h"
 #include "r3_str.h"
 #include "str_array.h"
-#include "r3_define.h"
 
 /**
  * provide a quick way to count slugs, simply search for '{'