diff --git a/projects/clr/rocclr/runtime/device/gpu/gslbe/src/rt/GSLDevice.cpp b/projects/clr/rocclr/runtime/device/gpu/gslbe/src/rt/GSLDevice.cpp
index 2a9bc4af06..c62312ccda 100644
--- a/projects/clr/rocclr/runtime/device/gpu/gslbe/src/rt/GSLDevice.cpp
+++ b/projects/clr/rocclr/runtime/device/gpu/gslbe/src/rt/GSLDevice.cpp
@@ -276,7 +276,7 @@ CALGSLDevice::open(uint32 gpuIndex, bool enableHighPerformanceState, bool report
     m_dcfg.bEnableSvm.value    = reportAsOCL12Device ? false : OPENCL_MAJOR >= 2;
 
     m_dcfg.bEnableFlatAddressing.hasValue = true;
-#if defined(ATI_BITS_32) && defined(ATI_OS_LINUX)
+#ifdef ATI_BITS_32
     m_dcfg.bEnableFlatAddressing.value    = false;
 #else
     m_dcfg.bEnableFlatAddressing.value    = reportAsOCL12Device ? false : (OPENCL_MAJOR >= 2);