diff --git a/renderdoc/common/threading.h b/renderdoc/common/threading.h
index 91827dc3c..9c455b6c6 100644
--- a/renderdoc/common/threading.h
+++ b/renderdoc/common/threading.h
@@ -52,7 +52,7 @@ class TryScopedLock
 		~TryScopedLock()
 		{ if(m_Owned) m_CS->Unlock(); }
 
-		bool HasLock()
+		bool HasLock() const
 		{
 			return m_Owned;
 		}