diff -r 7b73058d782e -r cbbdf207e67e libidav/methods.c
--- a/libidav/methods.c	Fri Mar 18 19:54:36 2016 +0100
+++ b/libidav/methods.c	Sat Mar 19 12:34:32 2016 +0100
@@ -846,7 +846,9 @@
     s = S("</D:propertyupdate>\n");
     ucx_buffer_write(s.ptr, 1, s.length, buf);
     
-    // TODO: cleanup namespace map
+    // cleanup namespace map
+    ucx_map_free_content(namespaces, free);
+    ucx_map_free(namespaces);
     
     return buf;
 }
@@ -900,7 +902,7 @@
     return s*n;
 }
 
-CURLcode do_put_request(CURL *handle, char *lock, void *data, dav_read_func read_func, size_t length) {
+CURLcode do_put_request(CURL *handle, char *lock, DavBool create, void *data, dav_read_func read_func, size_t length) {
     curl_easy_setopt(handle, CURLOPT_CUSTOMREQUEST, NULL);
     curl_easy_setopt(handle, CURLOPT_UPLOAD, 1L);
     
@@ -909,7 +911,14 @@
     if(lock) {
         char *url = NULL;
         curl_easy_getinfo(handle, CURLINFO_EFFECTIVE_URL, &url);
-        char *ltheader = ucx_sprintf("If: <%s> (<%s>)", url, lock).ptr;
+        char *ltheader = NULL;
+        if(create) {
+            url = util_parent_path(url);
+            ltheader = ucx_sprintf("If: <%s> (<%s>)", url, lock).ptr;
+            free(url);
+        } else {
+            ltheader = ucx_sprintf("If: <%s> (<%s>)", url, lock).ptr;
+        }
         headers = curl_slist_append(headers, ltheader);
         free(ltheader);
         curl_easy_setopt(handle, CURLOPT_HTTPHEADER, headers);
@@ -942,6 +951,7 @@
     if(buf) {
         ucx_buffer_free(buf);
     }
+    
     return ret;
 }
 
@@ -974,7 +984,9 @@
     if(lock) {
         char *url = NULL;
         curl_easy_getinfo(handle, CURLINFO_EFFECTIVE_URL, &url);
+        url = util_parent_path(url);
         char *ltheader = ucx_sprintf("If: <%s> (<%s>)", url, lock).ptr;
+        free(url);
         headers = curl_slist_append(headers, ltheader);
         free(ltheader);
         curl_easy_setopt(handle, CURLOPT_HTTPHEADER, NULL);