diff --git a/src/node.cc b/src/node.cc
index 00ab762b4bbeef..23b1009616466f 100644
--- a/src/node.cc
+++ b/src/node.cc
@@ -192,7 +192,10 @@ static void PrintErrorString(const char* format, ...) {
 
   std::vector<wchar_t> wbuf(n);
   MultiByteToWideChar(CP_UTF8, 0, out.data(), -1, wbuf.data(), n);
-  WriteConsoleW(stderr_handle, wbuf.data(), n, nullptr, nullptr);
+
+  // Don't include the null character in the output
+  CHECK_GT(n, 0);
+  WriteConsoleW(stderr_handle, wbuf.data(), n - 1, nullptr, nullptr);
 #else
   vfprintf(stderr, format, ap);
 #endif