diff --git a/main.go b/main.go
index 0e93015..31b603f 100644
--- a/main.go
+++ b/main.go
@@ -151,6 +151,7 @@ recreation@pinnaclelake.com|{SHA512-CRYPT}$6$uTiy7Q5xn1CIN22w$3VAElns3TFfejtdTCT
 // createPasswordEntry: input email and plain text password, output a password entry with sha512-crypt.
 
 func modifyPasswordFile(email, password string) bool {
+	email=strings.ToLower(email)
 	log.Printf("Changing password for %s", email)
 	// read the password file
 	// find the entry with the given email
@@ -173,7 +174,7 @@ func modifyPasswordFile(email, password string) bool {
 		if len(tmp) != 2 {
 			continue
 		}
-		if tmp[0]==strings.ToLower(email) {
+		if tmp[0]==email {
 			line = createPasswordEntry(email, password)
 		}
 		out.WriteString(line)