diff --git a/py/bc.c b/py/bc.c
index b5515bc..47f8d9f 100644
--- a/py/bc.c
+++ b/py/bc.c
@@ -44,6 +44,7 @@
 #if 0 // print debugging info
 #define DEBUG_PRINT (1)
 #else // don't print debugging info
+#define DEBUG_PRINT (0)
 #define DEBUG_printf(...) (void)0
 #endif