diff --git a/du1/program.c b/du1/program.c
index abfe7fa..2122f87 100644
--- a/du1/program.c
+++ b/du1/program.c
@@ -11,7 +11,7 @@ int main (){
 			putchar (c[0]);
 			counter++;
 		}
-		if(strlen(c) == 2){
+		else if(strlen(c) == 2){
 			if (c[0] >= 'a' && c[0] <= 'z'){
 				putchar (c[0] - 'a' + 'A');
 				printf ("\n");