diff --git a/build_tests/simple/cache_user_dep.rb b/build_tests/simple/cache_user_dep.rb
index db7e028..4a04718 100644
--- a/build_tests/simple/cache_user_dep.rb
+++ b/build_tests/simple/cache_user_dep.rb
@@ -1,5 +1,5 @@
 Rscons::Environment.new do |env|
-  env.Program("simple.exe", "simple.c")
+  target = env.Program("simple.exe", "simple.c")
   user_deps = File.read("user_deps", mode: "rb").split(" ")
-  env.depends("simple.exe", *user_deps)
+  target.depends(*user_deps)
 end