diff --git a/reactos/include/ntdll/service.h b/reactos/include/internal/service.h
similarity index 64%
rename from reactos/include/ntdll/service.h
rename to reactos/include/internal/service.h
index d0999a8ccb7..357773ee845 100644
--- a/reactos/include/ntdll/service.h
+++ b/reactos/include/internal/service.h
@@ -2,4 +2,4 @@ typedef struct
 {
    ULONG ParametersSize;
    ULONG Function;
-} SERVICE_TABLE;
+} SERVICE_TABLE, *PSERVICE_TABLE;
diff --git a/reactos/ntoskrnl/ex/napi.c b/reactos/ntoskrnl/ex/napi.c
index 8488c834e58..8d42b48c6b1 100644
--- a/reactos/ntoskrnl/ex/napi.c
+++ b/reactos/ntoskrnl/ex/napi.c
@@ -13,7 +13,7 @@
 
 /* GLOBALS ******************************************************************/
 
-#include <ntdll/service.h>
+#include <internal/service.h>
 #include <ntdll/napi.h>
 
 /* FUNCTIONS *****************************************************************/