diff --git a/src/libstore/sqlite.hh b/src/libstore/sqlite.hh
index 3a4ad8633..1d1c553ea 100644
--- a/src/libstore/sqlite.hh
+++ b/src/libstore/sqlite.hh
@@ -106,10 +106,10 @@ struct SQLiteError : Error
         throw_(db, hintfmt(fs, args...));
     }
 
-protected:
-
     SQLiteError(const char *path, int errNo, int extendedErrNo, hintformat && hf);
 
+protected:
+
     template<typename... Args>
     SQLiteError(const char *path, int errNo, int extendedErrNo, const std::string & fs, const Args & ... args)
       : SQLiteError(path, errNo, extendedErrNo, hintfmt(fs, args...))