disable debug output by default
diff --git a/src/libusbmuxd.c b/src/libusbmuxd.c
index 6883cee..73cf4e3 100644
--- a/src/libusbmuxd.c
+++ b/src/libusbmuxd.c
@@ -74,7 +74,7 @@
 // misc utility functions
 #include "collection.h"
 
-static int libusbmuxd_debug = 2;
+static int libusbmuxd_debug = 0;
 #define DEBUG(x, y, ...) if (x <= libusbmuxd_debug) fprintf(stderr, (y), __VA_ARGS__);
 
 static struct collection devices;