diff --git a/test/cases/io-multi/0061/cmd b/test/cases/io-multi/0061/cmd
index 99424dc4b..144ea098e 100644
--- a/test/cases/io-multi/0061/cmd
+++ b/test/cases/io-multi/0061/cmd
@@ -1 +1 @@
-mlr --jvquoteall -j cat test/input/flatten-input-2.json
+${MLR} --jvquoteall -j cat test/input/flatten-input-2.json