diff --git a/regtest/basic/rt-molfile-3/test.gro.reference b/regtest/basic/rt-molfile-3/test.gro.reference
index bcfcb6a6e3364a6cc1a7c88d65a4a011c9c08194..75753bcea615c915cc738903b56424647bc72227 100644
--- a/regtest/basic/rt-molfile-3/test.gro.reference
+++ b/regtest/basic/rt-molfile-3/test.gro.reference
@@ -1,4 +1,4 @@
 Made with PLUMED t=0.000000
 1
-    0         X    1   1.369   3.074   1.368  0.0000  0.0000  0.0000
+    0         X    1   1.369   3.074   1.368
    4.1789097    3.9399096    3.4120598    0.0000000    0.0000000    1.3929703    0.0000000   -1.3929700    1.9699602