diff --git a/ScopedSignalHandler.h b/ScopedSignalHandler.h
index 58ac2aa..f62f368 100644
--- a/ScopedSignalHandler.h
+++ b/ScopedSignalHandler.h
@@ -26,6 +26,8 @@
 
 #include "log.h"
 
+namespace android {
+
 class ScopedSignalHandler {
  public:
   using Fn = std::function<void(ScopedSignalHandler&, int, siginfo_t*, void*)>;
@@ -74,4 +76,6 @@
   static SignalFn handler_;
 };
 
+}  // namespace android
+
 #endif  // LIBMEMUNREACHABLE_SCOPED_SIGNAL_HANDLER_H_