diff --git a/amt/matrix.hpp b/amt/matrix.hpp
index 81f9167..7309b94 100644
--- a/amt/matrix.hpp
+++ b/amt/matrix.hpp
@@ -164,7 +164,7 @@ namespace amt {
 		}
 
 	private:
-		pointer	  m_data;
+		pointer	  m_data{};
 		size_type m_row{};
 		size_type m_col{};
 	};