diff --git a/sylpheed/libsylph/ssl.c b/sylpheed/libsylph/ssl.c

index 8413925..2562ca1 100644

--- a/sylpheed/libsylph/ssl.c

+++ b/sylpheed/libsylph/ssl.c

@@ -121,6 +121,8 @@ void ssl_init(void)

 		certs_file = find_certs_file("/etc/ssl");

 		if (!certs_file)

 			certs_file = find_certs_file("/etc");

+		if (!certs_file)

+			certs_file = find_certs_file("/usr/share/ca-certificates");

 #endif

 	}