diff --git a/du4/program.c b/du4/program.c
index f5f403d..70a1e3d 100644
--- a/du4/program.c
+++ b/du4/program.c
@@ -25,7 +25,7 @@ void multi(double a, double b, double c,char ac, int result[],int count){
 void divi(double a, double b, double c,char ac, int result[],int count){
     float cc=a/b;
     double Cc=(int)((a/b)*100000);
-    if(Cc==c || a/b==c || cc==(int)(c*100000)) result[count]=1;
+    if(cc==c || a/b==c || Cc==(int)(c*100000)) result[count]=1;
     else result[count]=2; 
 }