diff --git a/Include/pyport.h b/Include/pyport.h
index 852efb894fa..1bd1873b809 100644
--- a/Include/pyport.h
+++ b/Include/pyport.h
@@ -266,6 +266,9 @@ extern int lstat(const char *, struct stat *);
 extern int symlink(const char *, const char *);
 extern int fsync(int fd);
 
+/* From Modules/nismodule.c */
+CLIENT *clnt_create();
+
 #endif /* 0 */
 
 
diff --git a/Modules/nismodule.c b/Modules/nismodule.c
index 36959cf0c13..bcc8e9f968e 100644
--- a/Modules/nismodule.c
+++ b/Modules/nismodule.c
@@ -299,7 +299,7 @@ nis_maplist (void)
 {
 	nisresp_maplist *list;
 	char *dom;
-	CLIENT *cl, *clnt_create();
+	CLIENT *cl;
 	char *server = NULL;
 	int mapi = 0;
         int err;