diff --git a/port.c b/port.c
index b9679e54..859df8a5 100644
--- a/port.c
+++ b/port.c
@@ -43,7 +43,7 @@ pic_stdout(pic_state *pic)
 }
 
 struct pic_port *
-pic_port_make_stdport(pic_state *pic, xFILE *file, short dir)
+pic_make_standard_port(pic_state *pic, xFILE *file, short dir)
 {
   struct pic_port *port;
 
diff --git a/state.c b/state.c
index 2f859642..b93559f4 100644
--- a/state.c
+++ b/state.c
@@ -18,7 +18,7 @@ void pic_init_core(pic_state *);
 pic_state *
 pic_open(int argc, char *argv[], char **envp)
 {
-  struct pic_port *pic_port_make_stdport(pic_state *, xFILE *, short);
+  struct pic_port *pic_make_standard_port(pic_state *, xFILE *, short);
   char t;
 
   pic_state *pic;
@@ -165,9 +165,9 @@ pic_open(int argc, char *argv[], char **envp)
   pic->lib = pic->PICRIN_USER;
 
   /* standard I/O */
-  pic->xSTDIN = pic_port_make_stdport(pic, xstdin, PIC_PORT_IN);
-  pic->xSTDOUT = pic_port_make_stdport(pic, xstdout, PIC_PORT_OUT);
-  pic->xSTDERR = pic_port_make_stdport(pic, xstderr, PIC_PORT_OUT);
+  pic->xSTDIN = pic_make_standard_port(pic, xstdin, PIC_PORT_IN);
+  pic->xSTDOUT = pic_make_standard_port(pic, xstdout, PIC_PORT_OUT);
+  pic->xSTDERR = pic_make_standard_port(pic, xstderr, PIC_PORT_OUT);
 
   pic_init_core(pic);