diff --git a/Start_Windows/input.c b/Start_Windows/input.c
index 32257e9..77c996e 100644
--- a/Start_Windows/input.c
+++ b/Start_Windows/input.c
@@ -30,7 +30,7 @@ int readWords(FILE* file, char words[][MAX_WORD_LEN], unsigned int maxWordCount)
         while (token != NULL && count < maxWordCount)
         {
             for (char* p = token; *p; ++p)
-            (char)toupper((unsigned char)*p);
+           *p=(char)toupper((unsigned char)*p);
             strncpy(words[count], token, MAX_WORD_LEN - 1);
             words[count][MAX_WORD_LEN - 1] = '\0';
             count++;