diff --git a/libs/evoral/evoral/SMF.hpp b/libs/evoral/evoral/SMF.hpp
index e9c4a0fc49..7b77051238 100644
--- a/libs/evoral/evoral/SMF.hpp
+++ b/libs/evoral/evoral/SMF.hpp
@@ -64,7 +64,7 @@ public:
 
 	void flush() {};
 
-        double round_to_file_precision (double val) const;
+	double round_to_file_precision (double val) const;
 
 private:
 	std::string  _file_path;