diff --git a/src/common/attributes/aggressive.c b/src/common/attributes/aggressive.c
index cbcf69ec0..481a8be02 100644
--- a/src/common/attributes/aggressive.c
+++ b/src/common/attributes/aggressive.c
@@ -22,18 +22,11 @@ attrib_type at_aggressive = {
 	NULL,
 	NULL,
 	NULL,
-	NULL,
-	NULL,
+  a_writedefault,
+  a_readdefault,
+  ATF_UNIQUE
 };
 
-attrib *
-make_aggressive(int chance)
-{
-	attrib * a = a_new(&at_aggressive);
-	a->data.i = chance;
-	return a;
-}
-
 void
 init_aggressive(void)
 {