1 files changed, 1 insertions, 0 deletions
diff --git a/win64.json b/win64.json
index 6a2a22e..2dd9527 100644
--- a/win64.json
+++ b/win64.json
@@ -5,5 +5,6 @@
   "sources_path": ["src/*.cc", "cli/*.cc"],
   "output_name": "btb.exe",
   "compiler_flags": ["-fPIC"],
+  "cpp_macros": ["BTB_WINDOWS"],
   "run_after_build": false
 }