diff --git a/tools/flags/SkCommonFlags.cpp b/tools/flags/SkCommonFlags.cpp
index a30ba7e..beeb6ee 100644
--- a/tools/flags/SkCommonFlags.cpp
+++ b/tools/flags/SkCommonFlags.cpp
@@ -44,6 +44,8 @@
 
 DEFINE_bool2(single, z, false, "run tests on a single thread internally.");
 
+DEFINE_string(skps, "", "Directory to read skps from.");
+
 DEFINE_int32(threads, SkThreadPool::kThreadPerCore,
              "run threadsafe tests on a threadpool with this many threads.");
 
diff --git a/tools/flags/SkCommonFlags.h b/tools/flags/SkCommonFlags.h
index a30d1ae..4abf201 100644
--- a/tools/flags/SkCommonFlags.h
+++ b/tools/flags/SkCommonFlags.h
@@ -21,6 +21,7 @@
 DECLARE_bool(resetGpuContext);
 DECLARE_bool(abandonGpuContext);
 DECLARE_bool(single);
+DECLARE_string(skps);
 DECLARE_int32(threads);
 DECLARE_string(resourcePath);
 DECLARE_bool(verbose);