diff --git a/reactos/dll/win32/wdmaud.drv/legacy.c b/reactos/dll/win32/wdmaud.drv/legacy.c
index 1cfa858f924..c731837ecaa 100644
--- a/reactos/dll/win32/wdmaud.drv/legacy.c
+++ b/reactos/dll/win32/wdmaud.drv/legacy.c
@@ -13,9 +13,8 @@
  *
  */
 
-#include "wdmaud.h"
-
 #define NDEBUG
+#include "wdmaud.h"
 #include <debug.h>
 
 #define KERNEL_DEVICE_NAME      L"\\\\.\\wdmaud"
diff --git a/reactos/dll/win32/wdmaud.drv/mixer.c b/reactos/dll/win32/wdmaud.drv/mixer.c
index e71846428bb..7ee6ca245b1 100644
--- a/reactos/dll/win32/wdmaud.drv/mixer.c
+++ b/reactos/dll/win32/wdmaud.drv/mixer.c
@@ -7,12 +7,12 @@
  * PROGRAMMERS: Johannes Anderwald
  */
 
+#define NDEBUG
 #include "wdmaud.h"
 
 #include <samplerate.h>
 #include <float_cast.h>
 
-#define NDEBUG
 #include <debug.h>
 
 extern HANDLE KernelHandle;
diff --git a/reactos/dll/win32/wdmaud.drv/mmixer.c b/reactos/dll/win32/wdmaud.drv/mmixer.c
index 076c78cefa6..f77ef1986f2 100644
--- a/reactos/dll/win32/wdmaud.drv/mmixer.c
+++ b/reactos/dll/win32/wdmaud.drv/mmixer.c
@@ -7,13 +7,13 @@
  * PROGRAMMERS: Johannes Anderwald
  */
 
+#define NDEBUG
 #include "wdmaud.h"
 
 #include <winreg.h>
 #include <setupapi.h>
 #include <mmixer.h>
 
-#define NDEBUG
 #include <debug.h>
 
 typedef struct
diff --git a/reactos/dll/win32/wdmaud.drv/wdmaud.c b/reactos/dll/win32/wdmaud.drv/wdmaud.c
index 509faadee23..0494cc6235a 100644
--- a/reactos/dll/win32/wdmaud.drv/wdmaud.c
+++ b/reactos/dll/win32/wdmaud.drv/wdmaud.c
@@ -12,9 +12,9 @@
  *
  */
 
+#define NDEBUG
 #include "wdmaud.h"
 
-#define NDEBUG
 #include <debug.h>
 
 #ifndef USE_MMIXER_LIB