diff --git a/gyp/bench.gyp b/gyp/bench.gyp
index 9147f40..398700f 100644
--- a/gyp/bench.gyp
+++ b/gyp/bench.gyp
@@ -9,6 +9,7 @@
       'target_name': 'nanobench',
       'type': 'executable',
       'sources': [
+        '../gm/gm.cpp',
         '../bench/GMBench.cpp',
         '../bench/SKPBench.cpp',
         '../bench/ResultsWriter.cpp',