diff --git a/reactos/ntoskrnl/include/internal/debug.h b/reactos/ntoskrnl/include/internal/debug.h
index 5bc341b8dca..3effb4db74f 100644
--- a/reactos/ntoskrnl/include/internal/debug.h
+++ b/reactos/ntoskrnl/include/internal/debug.h
@@ -19,6 +19,7 @@
 #define __INTERNAL_DEBUG
 
 #include <internal/ntoskrnl.h>
+#include <internal/dbg.h>
 #include <roscfg.h>
 
 #define UNIMPLEMENTED do {DbgPrint("%s at %s:%d is unimplemented, have a nice day\n",__FUNCTION__,__FILE__,__LINE__); for(;;);  } while(0);