diff --git a/tools/code_cache/mkcodecache.cc b/tools/code_cache/mkcodecache.cc
index a3f15f28092068..3d2473ec87fd09 100644
--- a/tools/code_cache/mkcodecache.cc
+++ b/tools/code_cache/mkcodecache.cc
@@ -24,6 +24,7 @@ using v8::Local;
 int wmain(int argc, wchar_t* argv[]) {
 #else   // UNIX
 int main(int argc, char* argv[]) {
+  argv = uv_setup_args(argc, argv);
 #endif  // _WIN32
 
   v8::V8::SetFlagsFromString("--random_seed=42");
diff --git a/tools/snapshot/node_mksnapshot.cc b/tools/snapshot/node_mksnapshot.cc
index 29f9e1cbcbb096..edf5cb72a80b84 100644
--- a/tools/snapshot/node_mksnapshot.cc
+++ b/tools/snapshot/node_mksnapshot.cc
@@ -17,6 +17,7 @@
 int wmain(int argc, wchar_t* argv[]) {
 #else   // UNIX
 int main(int argc, char* argv[]) {
+  argv = uv_setup_args(argc, argv);
 #endif  // _WIN32
 
   v8::V8::SetFlagsFromString("--random_seed=42");