diff --git a/tools/generatejournal.hs b/tools/generatejournal.hs
index 93aa92993..7fd6e59a7 100755
--- a/tools/generatejournal.hs
+++ b/tools/generatejournal.hs
@@ -1,4 +1,5 @@
-#!/usr/bin/env runhaskell
+#!/usr/bin/env stack
+-- stack runghc
 {-
 generatejournal.hs NUMTXNS NUMACCTS ACCTDEPTH [--chinese|--mixed]