diff --git a/shake-bench.cabal b/shake-bench.cabal
--- a/shake-bench.cabal
+++ b/shake-bench.cabal
@@ -1,6 +1,6 @@
 cabal-version: 2.2
 name:          shake-bench
-version:       0.1.0.1
+version:       0.1.0.2
 synopsis:      Build rules for historical benchmarking
 license:       Apache-2.0
 license-file:  LICENSE
diff --git a/src/Development/Benchmark/Rules.hs b/src/Development/Benchmark/Rules.hs
--- a/src/Development/Benchmark/Rules.hs
+++ b/src/Development/Benchmark/Rules.hs
@@ -307,7 +307,7 @@
         let exePath    = build </> "binaries" </> ver </> executableName
             exeExtraArgs =
                 [ "+RTS"
-                , "-l-au"
+                , "-l"
                 , "-S" <> outGc]
              ++ concat
                 [[ "-h"
