diff --git a/tensorflow/core/common_runtime/next_pluggable_device/next_pluggable_device_c_api_flag.cc b/tensorflow/core/common_runtime/next_pluggable_device/next_pluggable_device_c_api_flag.cc
index 3cf05b338e5c2a..79c948838f4f39 100644
--- a/tensorflow/core/common_runtime/next_pluggable_device/next_pluggable_device_c_api_flag.cc
+++ b/tensorflow/core/common_runtime/next_pluggable_device/next_pluggable_device_c_api_flag.cc
@@ -18,7 +18,7 @@ namespace tensorflow {
 namespace npd {
 
 // Define as a weak symbol so that it can be overridden when necessary.
-const bool kTfNextPluggableDeviceUseCApi __attribute__((weak)) = false;
+extern const bool kTfNextPluggableDeviceUseCApi __attribute__((weak)) = false;
 
 }  // namespace npd
 }  // namespace tensorflow