diff --git a/du2/program.c b/du2/program.c
index ca1e8d5..be961f1 100644
--- a/du2/program.c
+++ b/du2/program.c
@@ -1,5 +1,5 @@
 #include <stdio.h>
-#include <string.>
+#include <string.h>
 
 int main(){
     double koef=0;