diff --git a/Justfile b/Justfile
index e4588df..ccb5215 100755
--- a/Justfile
+++ b/Justfile
@@ -15,7 +15,7 @@ update-default-versions:
 	esh -o ${outfile} ${template}
 
 _get_nix_path versionsPath:
-	echo $(set -x; nix-build --no-link --show-trace {{invocation_directory()}}/nix/default.nix -A channelSources --argstr versionsPath  {{versionsPath}} --argstr rebuildarg "dummy")
+	echo $(set -x; nix-build --no-link --show-trace {{invocation_directory()}}/nix/default.nix -A channelSources --argstr versionsPath  {{versionsPath}})
 
 _device recipe dir +moreargs="":
 	#!/usr/bin/env bash