diff --git a/main.go b/main.go
index fcc515a489b4330a0954d8904c05e755927bc784..0c4570a6dcbfaac6f15160e5f9fd5e99c7055f63 100644
--- a/main.go
+++ b/main.go
@@ -102,7 +102,7 @@ func generateFriendly() string {
 	} else if strings.Contains(vowels, string(existingLetter)) {
 		newLetter = string(vowels[rng.Intn(len(vowels))])
 	}
-	result = result[:letterPos] + newLetter + result[letterPos+1:]
+	result = result[:letterPos] + strings.ToUpper(newLetter) + result[letterPos+1:]
 
 	// Generate a different position until a non-separator and non-uppercase-letter
 	// is found