Silence compiler warning
diff --git a/Python/thread.c b/Python/thread.c
index 1c5e685..c0b763c 100644
--- a/Python/thread.c
+++ b/Python/thread.c
@@ -59,7 +59,7 @@
 
 #ifdef Py_DEBUG
 static int thread_debug = 0;
-#define dprintf(args)	((thread_debug & 1) && printf args)
+#define dprintf(args)	(void)((thread_debug & 1) && printf args)
 #define d2printf(args)	((thread_debug & 8) && printf args)
 #else
 #define dprintf(args)