diff --git a/du3/program.c b/du3/program.c
index 3bfdc0c..b00c39e 100644
--- a/du3/program.c
+++ b/du3/program.c
@@ -57,6 +57,7 @@ int check(char* input) {
              return 0;
              }
           }
+          resultat = round(resultat * 100)/100;
        if (resultat-givenResult ==0 ) {
         return 1;
        } else { return -1;