diff --git a/paw/stos/ob/ob.c b/paw/stos/ob/ob.c
index 07b6b67..dcd811f 100644
--- a/paw/stos/ob/ob.c
+++ b/paw/stos/ob/ob.c
@@ -10,6 +10,7 @@
 #include <ex/pool.h>
 #include <ob/cache.h>
 #include <string.h>
+#include <atomic.h>
 
 ST_STATUS
 ObCreateDirectory(const CHAR *Name, ST_OBJECT **Result)
@@ -93,9 +94,7 @@ ObReclaimObject(ST_OBJECT *Object)
         return;
     }
 
-    /* TODO: Decrement this atomically */
-    Object->RefCount -= 1;
-    if (Object->RefCount == 0) {
+    if (AtomicDecLong(&Object->RefCount) == 0) {
         ObReclaimToCache(&gObCache, Object);
     }
 }