diff --git a/src/pg/test/expected/08_interpolation_test.out b/src/pg/test/expected/08_interpolation_test.out
index 1e4502a..e2c9287 100644
--- a/src/pg/test/expected/08_interpolation_test.out
+++ b/src/pg/test/expected/08_interpolation_test.out
@@ -1,7 +1,7 @@
 SET client_min_messages TO WARNING;
 \set ECHO none
- nn  |           nni            |       idw       
------+--------------------------+-----------------
- 200 | 238.41059602632179224595 | 341.46260750526
+          nn          |           nni            |       idw       
+----------------------+--------------------------+-----------------
+ 200.0000000000000000 | 238.41059602632179224595 | 341.46260750526
 (1 row)