diff --git a/dlls/winmm/winejack/jack.c b/dlls/winmm/winejack/jack.c
index 32f51bcbf7d..5e62fa7b7e4 100644
--- a/dlls/winmm/winejack/jack.c
+++ b/dlls/winmm/winejack/jack.c
@@ -22,7 +22,8 @@
 
 #include "config.h"
 #include "wine/port.h"
-#include "wine/library.h"
+
+#include <stdio.h>
 
 #include "windef.h"
 #include "winbase.h"
@@ -30,21 +31,18 @@
 #include "winuser.h"
 #include "mmddk.h"
 #include "jack.h"
+#include "wine/library.h"
+#include "wine/debug.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(jack);
 
 #ifdef HAVE_JACK_JACK_H
 static int jack = 0;
 
 /* set this to zero or one to enable or disable tracing in here */
-#define TRACING			0
 
-#if TRACING
-#define PRINTF(...) printf(...)
-#else
-#define PRINTF(...)
-#endif
-
-#ifndef JACK_SONAME
-#define JACK_SONAME "libjack.so"
+#ifndef SONAME_LIBJACK
+#define SONAME_LIBJACK "libjack.so"
 #endif
 
 void *jackhandle = NULL;
@@ -54,17 +52,17 @@ void *jackhandle = NULL;
  */
 static DWORD JACK_drvLoad(void)
 {
-  PRINTF("JACK_drvLoad()\n");
+  TRACE("JACK_drvLoad()\n");
 
   /* dynamically load the jack library if not already loaded */
   if(!jackhandle)
   {
-    jackhandle = wine_dlopen(JACK_SONAME, RTLD_NOW, NULL, 0);
-    PRINTF("JACK_drvLoad: JACK_SONAME == %s\n", JACK_SONAME);
-    PRINTF("JACK_drvLoad: jackhandle == 0x%x\n", jackhandle);
+    jackhandle = wine_dlopen(SONAME_LIBJACK, RTLD_NOW, NULL, 0);
+    TRACE("JACK_drvLoad: SONAME_LIBJACK == %s\n", SONAME_LIBJACK);
+    TRACE("JACK_drvLoad: jackhandle == 0x%x\n", jackhandle);
     if(!jackhandle)
     {
-      PRINTF("JACK_drvLoad: error loading the jack library %s, please install this library to use jack\n", JACK_SONAME);
+      FIXME("JACK_drvLoad: error loading the jack library %s, please install this library to use jack\n", SONAME_LIBJACK);
       jackhandle = (void*)-1;
       return 0;
     }
@@ -79,11 +77,11 @@ static DWORD JACK_drvLoad(void)
 /* unload the jack library on driver free */
 static DWORD JACK_drvFree(void)
 {
-  PRINTF("JACK_drvFree()\n");
+  TRACE("JACK_drvFree()\n");
 
   if(jackhandle && (jackhandle != (void*)-1))
   {
-    PRINTF("JACK_drvFree: calling wine_dlclose() on jackhandle\n");
+    TRACE("JACK_drvFree: calling wine_dlclose() on jackhandle\n");
     wine_dlclose(jackhandle, NULL, 0);
     jackhandle = NULL;
   }
@@ -100,18 +98,18 @@ static	DWORD	JACK_drvOpen(LPSTR str)
   /* driver open */
   if(!jackhandle)
   {
-    PRINTF("JACK_drvOpen: unable to open the jack library, returning 0\n");
+    FIXME("JACK_drvOpen: unable to open the jack library, returning 0\n");
     return 0;
   }
 
   if (jack)
   {
-    PRINTF("JACK_drvOpen: jack != 0 (already open), returning 0\n");
+    FIXME("JACK_drvOpen: jack != 0 (already open), returning 0\n");
     return 0;
   }
     
   /* I know, this is ugly, but who cares... */
-  PRINTF("JACK_drvOpen: opened jack(set jack = 1), returning 1\n");
+  TRACE("JACK_drvOpen: opened jack(set jack = 1), returning 1\n");
   jack = 1;
   return 1;
 }
@@ -123,12 +121,12 @@ static	DWORD	JACK_drvClose(DWORD dwDevID)
 {
   if (jack)
   {
-    PRINTF("JACK_drvClose: jack is nonzero, setting jack to 0 and returning 1\n");
+    TRACE("JACK_drvClose: jack is nonzero, setting jack to 0 and returning 1\n");
     jack = 0;
     return 1;
   }
 
-  PRINTF("JACK_drvClose: jack is zero(closed), returning 0\n");
+  TRACE("JACK_drvClose: jack is zero(closed), returning 0\n");
   return 0;
 }
 #endif /* #ifdef HAVE_JACK_JACK_H */
@@ -146,30 +144,30 @@ LONG CALLBACK	JACK_DriverProc(DWORD dwDevID, HDRVR hDriv, DWORD wMsg,
     switch(wMsg) {
 #ifdef HAVE_JACK_JACK_H
     case DRV_LOAD:
-        PRINTF("JACK_DriverProc: DRV_LOAD\n");
+        TRACE("JACK_DriverProc: DRV_LOAD\n");
 	return JACK_drvLoad();
     case DRV_FREE:
-        PRINTF("JACK_DriverProc: DRV_FREE\n");
+        TRACE("JACK_DriverProc: DRV_FREE\n");
 	return JACK_drvFree();
     case DRV_OPEN:
-        PRINTF("JACK_DriverProc: DRV_OPEN\n");
+        TRACE("JACK_DriverProc: DRV_OPEN\n");
 	return JACK_drvOpen((LPSTR)dwParam1);
     case DRV_CLOSE:
-        PRINTF("JACK_DriverProc: DRV_CLOSE\n");
+        TRACE("JACK_DriverProc: DRV_CLOSE\n");
 	return JACK_drvClose(dwDevID);
     case DRV_ENABLE:
-        PRINTF("JACK_DriverProc: DRV_ENABLE\n");
+        TRACE("JACK_DriverProc: DRV_ENABLE\n");
 	return 1;
     case DRV_DISABLE:
-        PRINTF("JACK_DriverProc: DRV_DISABLE\n");
+        TRACE("JACK_DriverProc: DRV_DISABLE\n");
 	return 1;
     case DRV_QUERYCONFIGURE:	return 1;
     case DRV_CONFIGURE:		MessageBoxA(0, "jack audio driver!", "jack driver", MB_OK);	return 1;
     case DRV_INSTALL:		
-      PRINTF("JACK_DriverProc: DRV_INSTALL\n");
+      TRACE("JACK_DriverProc: DRV_INSTALL\n");
       return DRVCNF_RESTART;
     case DRV_REMOVE:
-      PRINTF("JACK_DriverProc: DRV_REMOVE\n");
+      TRACE("JACK_DriverProc: DRV_REMOVE\n");
       return DRVCNF_RESTART;
 #endif
     default: