1 files changed, 4 insertions, 3 deletions
diff --git a/include/lldb/DataFormatters/TypeCategory.h b/include/lldb/DataFormatters/TypeCategory.h
index 075d31d1cf6f..c6d7d7b0f878 100644
--- a/include/lldb/DataFormatters/TypeCategory.h
+++ b/include/lldb/DataFormatters/TypeCategory.h
@@ -14,6 +14,7 @@
 // C++ Includes
 #include <initializer_list>
 #include <memory>
+#include <mutex>
 #include <string>
 #include <vector>
 
@@ -519,9 +520,9 @@ namespace lldb_private {
         bool m_enabled;
         
         IFormatChangeListener* m_change_listener;
-        
-        Mutex m_mutex;
-        
+
+        std::recursive_mutex m_mutex;
+
         ConstString m_name;
         
         std::vector<lldb::LanguageType> m_languages;