diff --git a/QA/tests/pspw_becke98_h2o/pspw_becke98_h2o.nw b/QA/tests/pspw_becke98_h2o/pspw_becke98_h2o.nw
index da626cccfc..75e3f5bcf3 100644
--- a/QA/tests/pspw_becke98_h2o/pspw_becke98_h2o.nw
+++ b/QA/tests/pspw_becke98_h2o/pspw_becke98_h2o.nw
@@ -4,6 +4,7 @@ echo
 
 start pspw_becke98_H2O1
 
+memory 1900 mb
 
 charge 0