diff --git a/mace/examples/mace_run.cc b/mace/examples/mace_run.cc
index bc548ff5c9fa6ee6fb043bf52ea7dd1a2d89b8a2..66cf8a7dc5f817a1b9dc36d5a448ee620c9203f7 100644
--- a/mace/examples/mace_run.cc
+++ b/mace/examples/mace_run.cc
@@ -53,7 +53,7 @@ DeviceType ParseDeviceType(const string &device_str) {
   } else if (device_str.compare("OPENCL") == 0) {
     return DeviceType::OPENCL;
   } else if (device_str.compare("HEXAGON") == 0) {
-    return DeviceType ::HEXAGON;
+    return DeviceType::HEXAGON;
   } else {
     return DeviceType::CPU;
   }