diff --git a/pimd/pim_addr.h b/pimd/pim_addr.h
index 1351fca225..e422a2e2da 100644
--- a/pimd/pim_addr.h
+++ b/pimd/pim_addr.h
@@ -32,6 +32,7 @@ typedef struct in_addr pim_addr;
 #define PIM_AF		AF_INET
 #define PIM_AFI		AFI_IP
 #define PIM_MAX_BITLEN	IPV4_MAX_BITLEN
+#define PIM_AF_NAME     "ip"
 
 union pimprefixptr {
 	prefixtype(pimprefixptr, struct prefix,      p)
@@ -50,6 +51,7 @@ typedef struct in6_addr pim_addr;
 #define PIM_AF		AF_INET6
 #define PIM_AFI		AFI_IP6
 #define PIM_MAX_BITLEN	IPV6_MAX_BITLEN
+#define PIM_AF_NAME     "ipv6"
 
 union pimprefixptr {
 	prefixtype(pimprefixptr, struct prefix,      p)