diff --git a/rocclr/runtime/device/cpu/cpudevice.cpp b/rocclr/runtime/device/cpu/cpudevice.cpp
index 0270c9432b..1c91d24ff6 100644
--- a/rocclr/runtime/device/cpu/cpudevice.cpp
+++ b/rocclr/runtime/device/cpu/cpudevice.cpp
@@ -90,6 +90,7 @@ bool Device::init() {
   info.maxWorkItemSizes_[0] = info.maxWorkGroupSize_;
   info.maxWorkItemSizes_[1] = info.maxWorkGroupSize_;
   info.maxWorkItemSizes_[2] = info.maxWorkGroupSize_;
+  info.preferredWorkGroupSize_ = CPU_MAX_WORKGROUP_SIZE;
 
   info.addressBits_ = LP64_SWITCH(32, 64);