diff --git a/lldb/include/lldb/Utility/PseudoTerminal.h b/lldb/include/lldb/Utility/PseudoTerminal.h
index 595b2fc19bfd..d73253497746 100644
--- a/lldb/include/lldb/Utility/PseudoTerminal.h
+++ b/lldb/include/lldb/Utility/PseudoTerminal.h
@@ -260,7 +260,7 @@ private:
 
 };
 
-} // namespace lldb
+} // namespace lldb_utility
 
 #endif  // #if defined(__cplusplus)
 #endif // #ifndef liblldb_PseudoTerminal_h_