diff --git a/opencl/test/unit_test/device/device_caps_tests.cpp b/opencl/test/unit_test/device/device_caps_tests.cpp
index 6055c14442..59c09ec0f5 100644
--- a/opencl/test/unit_test/device/device_caps_tests.cpp
+++ b/opencl/test/unit_test/device/device_caps_tests.cpp
@@ -475,6 +475,16 @@ HWTEST_F(DeviceGetCapsTest, givenGlobalMemSizeAndStatelessNotSupportedWhenCalcul
     EXPECT_EQ(caps.maxMemAllocSize, expectedSize);
 }
 
+HWTEST_F(DeviceGetCapsTest, givenDebugFlagSetWhenCreatingDeviceThenOverrideMaxMemAllocSize) {
+    DebugManagerStateRestore dbgRestorer;
+    debugManager.flags.OverrideMaxMemAllocSizeMb.set(5 * 1024);
+    auto device = std::make_unique<MockClDevice>(MockDevice::createWithNewExecutionEnvironment<MockDevice>(defaultHwInfo.get()));
+
+    const auto &caps = device->getSharedDeviceInfo();
+
+    EXPECT_EQ(caps.maxMemAllocSize, 5u * 1024u * MemoryConstants::megaByte);
+}
+
 TEST_F(DeviceGetCapsTest, WhenDeviceIsCreatedThenExtensionsStringEndsWithSpace) {
     auto device = std::make_unique<MockClDevice>(MockDevice::createWithNewExecutionEnvironment<MockDevice>(defaultHwInfo.get()));
     const auto &caps = device->getDeviceInfo();
diff --git a/shared/source/debug_settings/debug_variables_base.inl b/shared/source/debug_settings/debug_variables_base.inl
index 89d49c48cc..b682571fd9 100644
--- a/shared/source/debug_settings/debug_variables_base.inl
+++ b/shared/source/debug_settings/debug_variables_base.inl
@@ -316,6 +316,7 @@ DECLARE_DEBUG_VARIABLE(int32_t, GetSipBinaryFromExternalLib, -1, "-1: default, 0
 DECLARE_DEBUG_VARIABLE(int32_t, EnablePidFdOrSocketsForIpc, -1, "-1: default, 0: disabled (default), 1: enabled. If enabled, L0 IPC handles are opaque and pidfd or sockets are used for IPC exchange")
 DECLARE_DEBUG_VARIABLE(int32_t, OverrideCopyOffloadMode, -1, "-1: default, 0: disabled, >=1: if enabled, override to any value from CopyOffloadModes enum")
 DECLARE_DEBUG_VARIABLE(int32_t, UseSingleListForTemporaryAllocations, -1, "-1: default, 0: disabled, 0: enabled. If enabled, use single list, instead of per CSR for tracking temporary allocations")
+DECLARE_DEBUG_VARIABLE(int32_t, OverrideMaxMemAllocSizeMb, -1, "-1: default, >=0 override reported max mem alloc size in MB")
 
 /*LOGGING FLAGS*/
 DECLARE_DEBUG_VARIABLE(int32_t, PrintDriverDiagnostics, -1, "prints driver diagnostics messages to standard output, value corresponds to hint level")
diff --git a/shared/source/device/device_caps.cpp b/shared/source/device/device_caps.cpp
index 6e04918a72..bc5f0d81be 100644
--- a/shared/source/device/device_caps.cpp
+++ b/shared/source/device/device_caps.cpp
@@ -102,6 +102,10 @@ void Device::initializeCaps() {
     }
     deviceInfo.maxMemAllocSize = std::min<std::uint64_t>(driverModelMaxMemAlloc, deviceInfo.maxMemAllocSize);
 
+    if (debugManager.flags.OverrideMaxMemAllocSizeMb.get() != -1) {
+        deviceInfo.maxMemAllocSize = static_cast<uint64_t>(debugManager.flags.OverrideMaxMemAllocSizeMb.get()) * MemoryConstants::megaByte;
+    }
+
     deviceInfo.profilingTimerResolution = getProfilingTimerResolution();
     if (debugManager.flags.OverrideProfilingTimerResolution.get() != -1) {
         deviceInfo.profilingTimerResolution = static_cast<double>(debugManager.flags.OverrideProfilingTimerResolution.get());
diff --git a/shared/test/common/test_files/igdrcl.config b/shared/test/common/test_files/igdrcl.config
index 875c6bad55..a846d5d609 100644
--- a/shared/test/common/test_files/igdrcl.config
+++ b/shared/test/common/test_files/igdrcl.config
@@ -664,4 +664,5 @@ EnablePidFdOrSocketsForIpc = -1
 ExposeSingleDevice=-1
 OverrideCopyOffloadMode = -1
 UseSingleListForTemporaryAllocations = -1
+OverrideMaxMemAllocSizeMb = -1
 # Please don't edit below this line