diff --git a/AK/IDAllocator.h b/AK/IDAllocator.h
index 406fa1ba87..51e0b2ec79 100644
--- a/AK/IDAllocator.h
+++ b/AK/IDAllocator.h
@@ -16,6 +16,9 @@ public:
         int r = rand();
         for (int i = 0; i < 100000; ++i) {
             int allocated_id = r + i;
+            // Make sure we never vend ID 0, as some code may interpret that as "no ID"
+            if (allocated_id == 0)
+                ++allocated_id;
             if (!m_allocated_ids.contains(allocated_id)) {
                 m_allocated_ids.set(allocated_id);
                 return allocated_id;