diff --git a/opal/mca/if/posix_ipv4/if_posix.c b/opal/mca/if/posix_ipv4/if_posix.c
index bc54d2c4be..dfa51927a9 100644
--- a/opal/mca/if/posix_ipv4/if_posix.c
+++ b/opal/mca/if/posix_ipv4/if_posix.c
@@ -213,7 +213,8 @@ static int if_posix_open(void)
         }
 
         /* copy entry over into our data structure */
-        strcpy(intf->if_name, ifr->ifr_name);
+        memset(intf->if_name, 0, sizeof(intf->if_name));
+        strncpy(intf->if_name, ifr->ifr_name, sizeof(intf->if_name) - 1);
         intf->if_flags = ifr->ifr_flags;
             
         /* every new address gets its own internal if_index */