diff --git a/include/ebtables_u.h b/include/ebtables_u.h
index 24c5045..ab08f2e 100644
--- a/include/ebtables_u.h
+++ b/include/ebtables_u.h
@@ -130,6 +130,7 @@
 	struct ebt_entry_target *t;
 	struct ebt_u_entry *next;
 	struct ebt_counter cnt;
+	struct ebt_counter cnt_surplus; /* for increasing/decreasing a counter and for option 'C' */
 	/* the standard target needs this to know the name of a udc when
 	 * printing out rules. */
 	struct ebt_u_replace *replace;
@@ -328,6 +329,8 @@
 #define CNT_OWRITE 	3
 #define CNT_ZERO 	4
 #define CNT_CHANGE 	5
+#define CNT_INCR 	6
+#define CNT_DECR 	7
 
 extern const char *ebt_hooknames[NF_BR_NUMHOOKS];
 extern const char *ebt_standard_targets[NUM_STANDARD_TARGETS];