diff --git a/ripd/rip_interface.c b/ripd/rip_interface.c
index 7869f2e..cbb4d3e 100644
--- a/ripd/rip_interface.c
+++ b/ripd/rip_interface.c
@@ -951,7 +951,7 @@
       return -1;
     }
   else
-    node->info = "enabled";
+    node->info = (char *) "enabled";
 
   /* XXX: One should find a better solution than a generic one */
   rip_enable_apply_all();
@@ -988,7 +988,7 @@
 int
 rip_enable_if_lookup (char *ifname)
 {
-  int i;
+  unsigned int i;
   char *str;
 
   for (i = 0; i < vector_max (rip_enable_interface); i++)
@@ -1245,7 +1245,7 @@
 void
 rip_clean_network ()
 {
-  int i;
+  unsigned int i;
   char *str;
   struct route_node *rn;
 
@@ -1270,7 +1270,7 @@
 int
 rip_passive_nondefault_lookup (char *ifname)
 {
-  int i;
+  unsigned int i;
   char *str;
 
   for (i = 0; i < vector_max (Vrip_passive_nondefault); i++)
@@ -1344,7 +1344,7 @@
 void
 rip_passive_nondefault_clean ()
 {
-  int i;
+  unsigned int i;
   char *str;
 
   for (i = 0; i < vector_max (Vrip_passive_nondefault); i++)
@@ -2114,7 +2114,7 @@
 int
 config_write_rip_network (struct vty *vty, int config_mode)
 {
-  int i;
+  unsigned int i;
   char *ifname;
   struct route_node *node;