--- a/inst/@galois/exp.m
+++ b/inst/@galois/exp.m
@@ -21,7 +21,7 @@
 
 function varargout = exp (varargin)
 
-  varargout = cell (1, max(1, nargout));
+  varargout = cell (1, max (1, nargout));
   [varargout{:}] = gexp (varargin{:});
 
 endfunction