1 files changed, 11 insertions, 3 deletions
diff --git a/class.c b/class.c
index c866d1d727..bc64ff7795 100644
--- a/class.c
+++ b/class.c
@@ -23,12 +23,20 @@
  * \{
  */
 
+#include "ruby/config.h"
+#include <ctype.h>
+
+#include "constant.h"
+#include "id_table.h"
 #include "internal.h"
+#include "internal/class.h"
+#include "internal/error.h"
+#include "internal/eval.h"
+#include "internal/hash.h"
+#include "internal/object.h"
+#include "internal/variable.h"
 #include "ruby/st.h"
-#include "constant.h"
 #include "vm_core.h"
-#include "id_table.h"
-#include <ctype.h>
 
 #define id_attached id__attached__