diff --git a/magritte/magritte_graph.bzl b/magritte/magritte_graph.bzl
index 1ee9561..59dad08 100644
--- a/magritte/magritte_graph.bzl
+++ b/magritte/magritte_graph.bzl
@@ -161,7 +161,7 @@ def _copy_action_bash(ctx, input_file, output_file):
 # Copies a file to another file. If the destination directory does not exist
 # it will be created. (Windows version)
 def _copy_action_windows(ctx, input_file, output_file):
-    bat = ctx.actions.declare_file(ctx.label.name + "_cmd.bat")
+    bat = ctx.actions.declare_file("%s-%s-cmd.bat" % (ctx.label.name, hash(src.path)))
     file_to_copy = input_file.path.replace("/", "\\")
     destination_folder = output_file.dirname.replace("/", "\\")
     ctx.actions.write(