diff --git a/reactos/drivers/serial/serenum/CMakeLists.txt b/reactos/drivers/serial/serenum/CMakeLists.txt
index c31039222fe..770a652e00d 100644
--- a/reactos/drivers/serial/serenum/CMakeLists.txt
+++ b/reactos/drivers/serial/serenum/CMakeLists.txt
@@ -7,7 +7,7 @@ add_library(serenum SHARED
     serenum.c
     serenum.rc)
 
+add_pch(serenum serenum.h)
 set_module_type(serenum kernelmodedriver)
 add_importlibs(serenum ntoskrnl hal)
-
 add_cd_file(TARGET serenum DESTINATION reactos/system32/drivers FOR all)
diff --git a/reactos/drivers/serial/serenum/misc.c b/reactos/drivers/serial/serenum/misc.c
index c3a9d1b144d..033bd8b893f 100644
--- a/reactos/drivers/serial/serenum/misc.c
+++ b/reactos/drivers/serial/serenum/misc.c
@@ -8,7 +8,6 @@
  */
 
 #include "serenum.h"
-#include <stdarg.h>
 
 static IO_COMPLETION_ROUTINE ForwardIrpAndWaitCompletion;
 
diff --git a/reactos/drivers/serial/serenum/serenum.h b/reactos/drivers/serial/serenum/serenum.h
index 481442361a8..0601b44a0ce 100644
--- a/reactos/drivers/serial/serenum/serenum.h
+++ b/reactos/drivers/serial/serenum/serenum.h
@@ -11,6 +11,7 @@
 #include <ntddk.h>
 #include <ntddser.h>
 #include <stdio.h>
+#include <stdarg.h>
 #include <debug.h>
 
 typedef enum
diff --git a/reactos/drivers/serial/serenum/serenum.rbuild b/reactos/drivers/serial/serenum/serenum.rbuild
index 00eafb1cd4c..72ac9aa10e8 100644
--- a/reactos/drivers/serial/serenum/serenum.rbuild
+++ b/reactos/drivers/serial/serenum/serenum.rbuild
@@ -9,4 +9,5 @@
 	<file>pdo.c</file>
 	<file>serenum.c</file>
 	<file>serenum.rc</file>
+	<pch>serenum.h</pch>
 </module>