diff --git a/level_zero/core/test/unit_tests/sources/debugger/l0_debugger_fixture.h b/level_zero/core/test/unit_tests/sources/debugger/l0_debugger_fixture.h
index 19070f0e33..8be267807d 100644
--- a/level_zero/core/test/unit_tests/sources/debugger/l0_debugger_fixture.h
+++ b/level_zero/core/test/unit_tests/sources/debugger/l0_debugger_fixture.h
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2020-2023 Intel Corporation
+ * Copyright (C) 2020-2024 Intel Corporation
  *
  * SPDX-License-Identifier: MIT
  *
@@ -46,6 +46,7 @@ struct L0DebuggerFixture {
             MockSipData::useMockSip = true;
         }
 
+        executionEnvironment->calculateMaxOsContextCount();
         executionEnvironment->rootDeviceEnvironments[0]->initGmm();
         executionEnvironment->initializeMemoryManager();