diff --git a/gitnexus/vendor/tree-sitter-c/binding.gyp b/gitnexus/vendor/tree-sitter-c/binding.gyp
index 46623442c..a74aac635 100644
--- a/gitnexus/vendor/tree-sitter-c/binding.gyp
+++ b/gitnexus/vendor/tree-sitter-c/binding.gyp
@@ -12,8 +12,17 @@
         "bindings/node/binding.cc",
         "src/parser.c",
       ],
-      "cflags_c": [
-        "-std=c11",
+      "conditions": [
+        ["OS!='win'", {
+          "cflags_c": [
+            "-std=c11",
+          ],
+        }, { # OS == "win"
+          "cflags_c": [
+            "/std:c11",
+            "/utf-8",
+          ],
+        }],
       ],
     }
   ]