diff --git a/source/adapters/cuda/context.hpp b/source/adapters/cuda/context.hpp
index 53925f98b2..f2bb1580ba 100644
--- a/source/adapters/cuda/context.hpp
+++ b/source/adapters/cuda/context.hpp
@@ -117,7 +117,7 @@ struct ur_context_handle_t_ {
 
   ur_context_handle_t_(const ur_device_handle_t *Devs, uint32_t NumDevices)
       : Devices{Devs, Devs + NumDevices}, RefCount{1} {
-    CUevent EvBase;
+    CUevent EvBase = nullptr;
     int i = 0;
     for (auto &Dev : Devices) {
       urDeviceRetain(Dev);
diff --git a/source/adapters/cuda/device.hpp b/source/adapters/cuda/device.hpp
index 8c88d5ee9d..40ababf507 100644
--- a/source/adapters/cuda/device.hpp
+++ b/source/adapters/cuda/device.hpp
@@ -82,7 +82,7 @@ struct ur_device_handle_t_ {
     UR_CHECK_ERROR(cuDevicePrimaryCtxRetain(&CuContext, CuDevice));
   };
 
-  void setBaseEvent(CUevent event) { EvBase = event; };
+  void setBaseEvent(const CUevent &event) { EvBase = event; };
 
   native_type get() const noexcept { return CuDevice; };