1 files changed, 1 insertions, 1 deletions

diff --git a/swaylock/password.c b/swaylock/password.c
index 6a956bcb..50b81f6b 100644
--- a/swaylock/password.c
+++ b/swaylock/password.c
@@ -14,7 +14,7 @@ void clear_password_buffer(struct swaylock_password *pw) {
         // Use volatile keyword so so compiler can't optimize this out.
         volatile char *buffer = pw->buffer;
         volatile char zero = '\0';
-        for (size_t i = 0; i < sizeof(buffer); ++i) {
+        for (size_t i = 0; i < sizeof(pw->buffer); ++i) {
                 buffer[i] = zero;
         }
         pw->len = 0;