diff --git a/sys/Queue.c b/sys/Queue.c
index 5e67522..3c9dd40 100644
--- a/sys/Queue.c
+++ b/sys/Queue.c
@@ -157,7 +157,7 @@ VOID Bus_EvtIoDeviceControl(
             TraceEvents(TRACE_LEVEL_ERROR,
                 TRACE_QUEUE,
                 "Output buffer %d too small, require at least %d",
-                OutputBufferLength, sizeof(XUSB_REQUEST_NOTIFICATION));
+                (int)OutputBufferLength, (int)sizeof(XUSB_REQUEST_NOTIFICATION));
             break;
         }
 
@@ -241,7 +241,7 @@ VOID Bus_EvtIoDeviceControl(
             TraceEvents(TRACE_LEVEL_ERROR,
                 TRACE_QUEUE,
                 "Output buffer %d too small, require at least %d",
-                OutputBufferLength, sizeof(DS4_REQUEST_NOTIFICATION));
+                (int)OutputBufferLength, (int)sizeof(DS4_REQUEST_NOTIFICATION));
             break;
         }