diff --git a/net/ntp/files/patch-libaprse_clk_wharton.c b/net/ntp/files/patch-libaprse_clk_wharton.c
new file mode 100644
index 0000000000000..82df28d4e25b4
--- /dev/null
+++ b/net/ntp/files/patch-libaprse_clk_wharton.c
@@ -0,0 +1,11 @@
+--- libparse/clk_wharton.c.orig	2023-06-06 04:33:42.000000000 -0700
++++ libparse/clk_wharton.c	2023-06-06 06:36:02.108114000 -0700
+@@ -9,6 +9,8 @@
+ #include <config.h>
+ #endif
+ 
++#include <ntp_types.h>
++
+ #if defined(REFCLOCK) && defined(CLOCK_PARSE) && defined(CLOCK_WHARTON_400A)
+ /*
+  * Support for WHARTON 400A Series clock + 404.2 serial interface.
diff --git a/net/ntp/files/patch-libparse_clk_hopf6021.c b/net/ntp/files/patch-libparse_clk_hopf6021.c
new file mode 100644
index 0000000000000..9b43334551c61
--- /dev/null
+++ b/net/ntp/files/patch-libparse_clk_hopf6021.c
@@ -0,0 +1,11 @@
+--- libparse/clk_hopf6021.c.orig	2023-06-06 04:33:42.000000000 -0700
++++ libparse/clk_hopf6021.c	2023-06-06 06:36:00.964222000 -0700
+@@ -20,6 +20,8 @@
+ # include <config.h>
+ #endif
+ 
++#include <ntp_types.h>
++
+ #if defined(REFCLOCK) && defined(CLOCK_PARSE) && defined(CLOCK_HOPF6021)
+ 
+ #include "ntp_fp.h"