diff --git a/tests/tests_simulator/cache/TargetMemory.cpp b/tests/tests_simulator/cache/TargetMemory.cpp
index 435eae26..9e299024 100644
--- a/tests/tests_simulator/cache/TargetMemory.cpp
+++ b/tests/tests_simulator/cache/TargetMemory.cpp
@@ -55,7 +55,7 @@ TargetMemory::TargetMemory(const sc_core::sc_module_name& name,
 {
     tSocket.register_nb_transport_fw(this, &TargetMemory::nb_transport_fw);
 
-    memory.reserve(SIZE);
+    memory.resize(SIZE);
     std::fill(memory.begin(), memory.end(), 0);
 }