diff --git a/src/net/collections/list.c b/src/net/collections/list.c
index 2e5eb61..e7c93e7 100644
--- a/src/net/collections/list.c
+++ b/src/net/collections/list.c
@@ -41,8 +41,10 @@ void delete_node(list_node* node)
 {
     if (node == NULL)
         return;
-    node->previous->next = node->next;
-    node->next->previous = node->previous;
+    if (node->previous != NULL)
+        node->previous->next = node->next;
+    if (node->next != NULL)
+        node->next->previous = node->previous;
     free(node);
 }