diff --git a/src/xslt.c b/src/xslt.c
index 52c01003..6c4aaa43 100644
--- a/src/xslt.c
+++ b/src/xslt.c
@@ -142,6 +142,11 @@ void xslt_clear_cache(void)
     for (i = 0; i < CACHESIZE; i++)
         clear_cache_entry(i);
 
+    if (admin_URI) {
+        xmlFree(admin_URI);
+        admin_URI = NULL;
+    }
+
     thread_mutex_unlock(&xsltlock);
 }