diff --git a/main.c b/main.c
index aa5c54f..19b2212 100644
--- a/main.c
+++ b/main.c
@@ -17,10 +17,10 @@
         sprintf(u, URL, SUBROOMID, enc, timestamp);                                                                    \
     }
 
-#ifdef Debug
+#ifndef NDEBUG
 #define DPRINT(s, __VA_ARGS__)                                                                                         \
     {                                                                                                                  \
-        printf(s, ...);                                                                                                \
+        printf(s, __VA_ARGS__);                                                                                        \
     }
 #else
 #define DPRINT(s, ...)