diff --git a/babeld/babel_interface.c b/babeld/babel_interface.c
index 2cf670712315..854c73acc67f 100644
--- a/babeld/babel_interface.c
+++ b/babeld/babel_interface.c
@@ -695,8 +695,10 @@ interface_reset(struct interface *ifp)
            babel_ifp->cost,
            babel_ifp->ipv4 ? ", IPv4" : "");
 
-    if (babel_ifp->ipv4 != NULL)
+    if (babel_ifp->ipv4 != NULL){
 		free(babel_ifp->ipv4);
+		babel_ifp->ipv4 = NULL;
+    }
 
     return 1;
 }
@@ -1348,5 +1350,9 @@ babel_interface_allocate (void)
 static void
 babel_interface_free (babel_interface_nfo *babel_ifp)
 {
+    if (babel_ifp->ipv4){
+        free(babel_ifp->ipv4);
+        babel_ifp->ipv4 = NULL;
+    }
     XFREE(MTYPE_BABEL_IF, babel_ifp);
 }