diff -r 3578977d29a3 -r f48cea237ec3 src/server/config/mimeconf.c
--- a/src/server/config/mimeconf.c	Tue Jun 25 22:18:59 2013 +0200
+++ b/src/server/config/mimeconf.c	Wed Jun 26 15:09:54 2013 +0200
@@ -32,6 +32,11 @@
 
 #include "mimeconf.h"
 
+typedef struct {
+    ucx_destructor destructor;
+    void           *ptr;
+} ucx_regdestr;
+
 MimeConfig *load_mime_config(char *file) {
     FILE *in = fopen(file, "r");
     if(in == NULL) {
@@ -43,8 +48,8 @@
     conf->file = file;
     conf->directives = NULL;
     conf->ntypes = 0;
-
     int r = cfg_parse_basic_file((ConfigParser*)conf, in);
+    cfg_list_destr(conf->parser.mp, conf->directives);
     if(r != 0) {
         // TODO: free
         return NULL;
@@ -56,12 +61,6 @@
 }
 
 void free_mime_config(MimeConfig *conf) {
-    if(conf->directives != NULL) {
-        ucx_list_free(conf->directives);
-    }
-    if(conf->parser.lines != NULL) {
-        ucx_dlist_free(conf->parser.lines);
-    }
     ucx_mempool_free(conf->parser.mp);
     free(conf);
 }
@@ -85,13 +84,15 @@
             size_t nx = 0;
             sstr_t *exts = sstrsplit(param->value, sstrn(",", 1), &nx);
             for(int i=0;i<nx;i++) {
-                dir->exts = ucx_list_append(dir->exts, exts[i].ptr);
+                sstr_t extstr = sstrdup_mp(mp, exts[i]);
+                dir->exts = ucx_list_append(dir->exts, extstr.ptr);
+                free(exts[i].ptr);
             }
-            
             free(exts);
         }
     }
     
+    cfg_list_destr(mp, dir->exts);
     conf->directives = ucx_list_append(conf->directives, dir);
     conf->ntypes++;