diff --git a/babeld/babel_interface.c b/babeld/babel_interface.c
index ffbc9949be..2c2b5187c3 100644
--- a/babeld/babel_interface.c
+++ b/babeld/babel_interface.c
@@ -1063,7 +1063,7 @@ DEFUN (show_babel_route,
     } else {
         zlog_err("Couldn't allocate route stream.");
     }
-    xroutes = xroute_stream(0);
+    xroutes = xroute_stream();
     if(xroutes) {
         while(1) {
             struct xroute *xroute = xroute_stream_next(xroutes);
@@ -1109,7 +1109,7 @@ DEFUN (show_babel_route_prefix,
     } else {
         zlog_err("Couldn't allocate route stream.");
     }
-    xroutes = xroute_stream(0);
+    xroutes = xroute_stream();
     if(xroutes) {
         while(1) {
             struct xroute *xroute = xroute_stream_next(xroutes);
@@ -1166,7 +1166,7 @@ DEFUN (show_babel_route_addr,
     } else {
         zlog_err("Couldn't allocate route stream.");
     }
-    xroutes = xroute_stream(0);
+    xroutes = xroute_stream();
     if(xroutes) {
         while(1) {
             struct xroute *xroute = xroute_stream_next(xroutes);
@@ -1224,7 +1224,7 @@ DEFUN (show_babel_route_addr6,
     } else {
         zlog_err("Couldn't allocate route stream.");
     }
-    xroutes = xroute_stream(0);
+    xroutes = xroute_stream();
     if(xroutes) {
         while(1) {
             struct xroute *xroute = xroute_stream_next(xroutes);
diff --git a/babeld/xroute.c b/babeld/xroute.c
index 342b5c4871..2e123564ea 100644
--- a/babeld/xroute.c
+++ b/babeld/xroute.c
@@ -189,7 +189,7 @@ struct xroute_stream {
 
 struct
 xroute_stream *
-xroute_stream()
+xroute_stream(void)
 {
     struct xroute_stream *stream = malloc(sizeof(struct xroute_stream));
     if(stream == NULL)
diff --git a/babeld/xroute.h b/babeld/xroute.h
index f24f3927c2..27899e62a1 100644
--- a/babeld/xroute.h
+++ b/babeld/xroute.h
@@ -45,7 +45,7 @@ int babel_ipv6_route_add (struct zapi_ipv6 *api, struct prefix_ipv6 *prefix,
 int babel_ipv6_route_delete (struct zapi_ipv6 *api, struct prefix_ipv6 *prefix,
                              unsigned int ifindex);
 int xroutes_estimate(void);
-struct xroute_stream *xroute_stream();
+struct xroute_stream *xroute_stream(void);
 struct xroute *xroute_stream_next(struct xroute_stream *stream);
 void xroute_stream_done(struct xroute_stream *stream);