diff --git a/Machines/AtariST/Video.cpp b/Machines/AtariST/Video.cpp
index 09dab4b8a..890d5b35f 100644
--- a/Machines/AtariST/Video.cpp
+++ b/Machines/AtariST/Video.cpp
@@ -8,6 +8,7 @@
 
 #include "Video.hpp"
 
+#define NDEBUG
 #include "../../Outputs/Log.hpp"
 
 #include <algorithm>