diff --git a/du4/program.c b/du4/program.c
index a887dc8..f414f9b 100644
--- a/du4/program.c
+++ b/du4/program.c
@@ -63,7 +63,6 @@ for(;eof!=EOF;count++){
         result[count]=3;
         break;
     }
- 	ro=0;
 	if(eof==EOF) break;
     sscanf(str,"%lF%c%lF=%lF ",&a,&ac,&b,&c);
     free(str);