diff -up evolution-data-server-3.8.5/camel/camel-imapx-store-summary.c.covscan-warning evolution-data-server-3.8.5/camel/camel-imapx-store-summary.c
--- evolution-data-server-3.8.5/camel/camel-imapx-store-summary.c.covscan-warning	2014-10-08 08:39:24.807298800 +0200
+++ evolution-data-server-3.8.5/camel/camel-imapx-store-summary.c	2014-10-08 08:39:42.008298072 +0200
@@ -404,7 +404,7 @@ camel_imapx_store_summary_namespace_find
 		if (ns->full_name)
 			len = strlen (ns->full_name);
 		d ("find_full: comparing namespace '%s' to name '%s'\n", ns->full_name, full);
-		if (len == 0
+		if (len == 0 || !ns->full_name
 		    || (strncmp (ns->full_name, full, len) == 0
 			&& (full[len] == ns->sep || full[len] == 0)))
 			break;