diff --git a/garlic/stages/control.nix b/garlic/stages/control.nix
index 93b99b7..6ee5d70 100644
--- a/garlic/stages/control.nix
+++ b/garlic/stages/control.nix
@@ -15,7 +15,7 @@ stdenv.mkDerivation {
   installPhase = ''
     cat > $out <<EOF
     #!/bin/sh
-    for n in {1..${toString loops}}; do
+    for n in \$(seq 1 ${toString loops}); do
       ${program}
     done
     EOF