diff --git a/contrib/credential/gnome-keyring/git-credential-gnome-keyring.c b/contrib/credential/gnome-keyring/git-credential-gnome-keyring.c
index 04852d77d3..b9bb794601 100644
--- a/contrib/credential/gnome-keyring/git-credential-gnome-keyring.c
+++ b/contrib/credential/gnome-keyring/git-credential-gnome-keyring.c
@@ -306,7 +306,7 @@ static void credential_clear(struct credential *c)
 static int credential_read(struct credential *c)
 {
 	char    buf[1024];
-	ssize_t line_len = 0;
+	size_t line_len;
 	char   *key      = buf;
 	char   *value;