diff --git a/matlab/read_uvwp_complete_ucf.m b/matlab/read_uvwp_complete_ucf.m
index 1fab402..a05d380 100644
--- a/matlab/read_uvwp_complete_ucf.m
+++ b/matlab/read_uvwp_complete_ucf.m
@@ -175,9 +175,9 @@ function [u,v,w,p] = read_uvwp_complete_ucf(file,varargin)
       ifile = ifile+1;
       switch class(file)
       case 'char'
-        fname = sprintf('uvwp.%05d',ifile);
-      case {'ustar','ucfmulti'}
         fname = sprintf('%s/%s.%05d',fdir,fbase,ifile);
+      case {'ustar','ucfmulti'}
+        fname = sprintf('uvwp.%05d',ifile);
       end
     end
 end