diff --git a/src/pg/test/expected/08_interpolation_test.out b/src/pg/test/expected/08_interpolation_test.out
index bb8c73e..635ca2a 100644
--- a/src/pg/test/expected/08_interpolation_test.out
+++ b/src/pg/test/expected/08_interpolation_test.out
@@ -2,3 +2,4 @@ SET client_min_messages TO WARNING;
 \set ECHO none
 cdb_spatialinterpolation
 t
+(1 row)