diff -r c0175372c35d -r df158262f802 libidav/webdav.c
--- a/libidav/webdav.c	Mon Mar 21 13:56:16 2016 +0100
+++ b/libidav/webdav.c	Mon Mar 21 16:15:23 2016 +0100
@@ -184,7 +184,9 @@
 }
 
 DavKey* dav_context_get_key(DavContext *context, char *name) {
-    return ucx_map_cstr_get(context->keys, name);
+    if(name) {
+        return ucx_map_cstr_get(context->keys, name);
+    }
 }
 
 int dav_add_namespace(DavContext *context, char *prefix, char *name) {