diff --git a/src/build/common.gypi b/src/build/common.gypi
index 81c7560740..900af5e384 100644
--- a/src/build/common.gypi
+++ b/src/build/common.gypi
@@ -110,7 +110,10 @@
       '..','../..',
     ],
     'defines': [
-      'WEBRTC_SVNREVISION="<!(python <(webrtc_root)/build/version.py)"',
+      # TODO(leozwang): Run this as a gclient hook rather than at build-time:
+      # http://code.google.com/p/webrtc/issues/detail?id=687
+      'WEBRTC_SVNREVISION="Unavailable (issue687)"',
+      #'WEBRTC_SVNREVISION="<!(python <(webrtc_root)/build/version.py)"',
     ],
     'conditions': [
       ['build_with_chromium==1', {