diff --git a/ui/vnc-tls.c b/ui/vnc-tls.c
index 63923265fd836bea1516be81a922ec955525332a..0f59f9b28e278874b5f81761830a979e08182d32 100644
--- a/ui/vnc-tls.c
+++ b/ui/vnc-tls.c
@@ -444,8 +444,6 @@ static int vnc_set_x509_credential(VncDisplay *vd,
     struct stat sb;
 
     g_free(*cred);
-    *cred = NULL;
-
     *cred = g_malloc(strlen(certdir) + strlen(filename) + 2);
 
     strcpy(*cred, certdir);