diff --git a/src/common/ssl_certificate.c b/src/common/ssl_certificate.c
index efc5c53..8303f3e 100644
--- a/src/common/ssl_certificate.c
+++ b/src/common/ssl_certificate.c
@@ -92,6 +92,7 @@
     size_t size;
     gnutls_datum tmp;
     gnutls_x509_crt dest;
+    size = 0;
     
     if (gnutls_x509_crt_init(&dest) != 0) {
     	g_warning("couldn't gnutls_x509_crt_init\n");