diff --git a/src/gpu-compute/gpu_command_processor.cc b/src/gpu-compute/gpu_command_processor.cc
index da21076bd7..5a9bbd588c 100644
--- a/src/gpu-compute/gpu_command_processor.cc
+++ b/src/gpu-compute/gpu_command_processor.cc
@@ -42,7 +42,7 @@
 #include "sim/syscall_emul_buf.hh"
 
 GPUCommandProcessor::GPUCommandProcessor(const Params &p)
-    : HSADevice(p), dispatcher(*p.dispatcher)
+    : HSADevice(p), dispatcher(*p.dispatcher), driver(nullptr)
 {
     dispatcher.setCommandProcessor(this);
 }