diff --git a/server/src/db/memoryDB.ts b/server/src/db/memoryDB.ts
index 12e815d..4e775f8 100644
--- a/server/src/db/memoryDB.ts
+++ b/server/src/db/memoryDB.ts
@@ -39,6 +39,7 @@ class MemoryDB {
      * @param {Process} process 
      */
     remove(process: Process) {
+        if (this._size === 0) return
         this._pool.delete(process.getPid())
         this._size--
     }