--- a/inst/@galois/lu.m
+++ b/inst/@galois/lu.m
@@ -62,7 +62,7 @@
 
 function varargout = lu (varargin)
 
-  varargout = cell (1, max(1, nargout));
+  varargout = cell (1, max (1, nargout));
   [varargout{:}] = glu (varargin{:});
 
 endfunction