diff --git a/contrib/tsearch2/query.c b/contrib/tsearch2/query.c
index 458c55de279..9c4ed370a6b 100644
--- a/contrib/tsearch2/query.c
+++ b/contrib/tsearch2/query.c
@@ -142,12 +142,14 @@ gettoken_query(QPRS_STATE * state, int4 *val, int4 *lenval, char **strval, int2
 				{
 					(state->buf)++;
 					*val = (int4) '!';
+					state->state = WAITOPERAND;
 					return OPR;
 				}
 				else if (*(state->buf) == '(')
 				{
 					state->count++;
 					(state->buf)++;
+					state->state = WAITOPERAND;
 					return OPEN;
 				}
 				else if (*(state->buf) == ':')