diff --git a/node.gyp b/node.gyp
index 39ec90fa3dadc0..1c3e29147140e7 100644
--- a/node.gyp
+++ b/node.gyp
@@ -284,7 +284,7 @@
         'src/tracing/agent.h',
         'src/tracing/node_trace_buffer.h',
         'src/tracing/node_trace_writer.h',
-        'src/tracing/trace_event.h'
+        'src/tracing/trace_event.h',
         'src/util.h',
         'src/util-inl.h',
         'deps/http_parser/http_parser.h',