diff --git a/src/conversionOfNumbers/conversionOfNumbers.c b/src/conversionOfNumbers/conversionOfNumbers.c
index 9c77555..c71b53e 100644
--- a/src/conversionOfNumbers/conversionOfNumbers.c
+++ b/src/conversionOfNumbers/conversionOfNumbers.c
@@ -7,7 +7,7 @@
 int binaryStrLen(int input){
     int length;
     if(input > 0){
-        for(int x = 0; x < input; x++){
+        for(int x = 0; x <= input; x++){
             if(pow(2,x) >= input + 1){
                 length = x;
                 break;