diff --git a/du4/program.c b/du4/program.c
index 7b51d1d..26c0b9c 100644
--- a/du4/program.c
+++ b/du4/program.c
@@ -58,7 +58,7 @@ for(;eof!=EOF;count++){
 	if(eof==EOF) break;
     sscanf(str,"%lF%c%lF=%lF ",&a,&ac,&b,&c);
     free(str);
-    if(k>3){
+    if(k>2){
         result[count]=3;
         continue;
     }