1 files changed, 1 insertions, 1 deletions
diff --git a/range.c b/range.c
index e010778e0d..ec866de8eb 100644
--- a/range.c
+++ b/range.c
@@ -10,7 +10,7 @@
 
 **********************************************************************/
 
-#include "ruby.h"
+#include "ruby/ruby.h"
 
 VALUE rb_cRange;
 static ID id_cmp, id_succ, id_beg, id_end, id_excl;