diff --git a/tools/gn/command_desc.cc b/tools/gn/command_desc.cc
index b8b5355..a499384 100644
--- a/tools/gn/command_desc.cc
+++ b/tools/gn/command_desc.cc
@@ -291,7 +291,8 @@
           {variables::kDataKeys, DefaultHandler},
           {variables::kRebase, DefaultHandler},
           {variables::kWalkKeys, DefaultHandler},
-          {variables::kWriteOutputConversion, DefaultHandler}};
+          {variables::kWriteOutputConversion, DefaultHandler},
+          {"runtime_deps", DefaultHandler}};
 }
 
 void HandleProperty(const std::string& what,