diff --git a/include/picrin/port.h b/include/picrin/port.h
index 3ef51c04..cb326bd1 100644
--- a/include/picrin/port.h
+++ b/include/picrin/port.h
@@ -3,18 +3,6 @@
 
 #include <stdio.h>
 
-enum pic_port_flag {
-  PIC_PORT_IN = 1,
-  PIC_PORT_OUT = 2,
-  PIC_PORT_TEXT = 4,
-  PIC_PORT_BINARY = 8,
-};
-
-enum pic_port_status {
-  PIC_PORT_OPEN,
-  PIC_PORT_CLOSE,
-};
-
 #define PIC_UBUFSIZ 3
 
 enum pic_file_flags {
@@ -42,6 +30,18 @@ typedef struct {
   } vtable;
 } pic_file;
 
+enum pic_port_flag {
+  PIC_PORT_IN = 1,
+  PIC_PORT_OUT = 2,
+  PIC_PORT_TEXT = 4,
+  PIC_PORT_BINARY = 8,
+};
+
+enum pic_port_status {
+  PIC_PORT_OPEN,
+  PIC_PORT_CLOSE,
+};
+
 struct pic_port {
   PIC_OBJECT_HEADER
   pic_file *file;