diff --git a/Components/8530/z8530.cpp b/Components/8530/z8530.cpp
index b4c9b0e22..a54b9451c 100644
--- a/Components/8530/z8530.cpp
+++ b/Components/8530/z8530.cpp
@@ -8,7 +8,10 @@
 
 #include "z8530.hpp"
 
+#ifndef NDEBUG
 #define NDEBUG
+#endif
+
 #define LOG_PREFIX "[SCC] "
 #include "../../Outputs/Log.hpp"
 
diff --git a/Components/DiskII/IWM.cpp b/Components/DiskII/IWM.cpp
index 94d194163..b8d4e6465 100644
--- a/Components/DiskII/IWM.cpp
+++ b/Components/DiskII/IWM.cpp
@@ -8,7 +8,10 @@
 
 #include "IWM.hpp"
 
+#ifndef NDEBUG
 #define NDEBUG
+#endif
+
 #define LOG_PREFIX "[IWM] "
 #include "../../Outputs/Log.hpp"