diff --git a/packages/chrony/0001-missing-ethtool_cmd_speed.patch b/packages/chrony/0001-missing-ethtool_cmd_speed.patch
new file mode 100644
index 0000000000..921e50feb5
--- /dev/null
+++ b/packages/chrony/0001-missing-ethtool_cmd_speed.patch
@@ -0,0 +1,17 @@
+--- a/ntp_io_linux.c
++++ b/ntp_io_linux.c
+@@ -49,6 +49,14 @@
+ #include "sys_linux.h"
+ #include "util.h"
+ 
++// missing in NDK linux/ethtool.h
++#if defined(__ANDROID__)
++static inline __u32 ethtool_cmd_speed(const struct ethtool_cmd *ep)
++{
++	return (ep->speed_hi << 16) | ep->speed;
++}
++#endif
++
+ struct Interface {
+   char name[IF_NAMESIZE];
+   int if_index;
diff --git a/packages/chrony/build.sh b/packages/chrony/build.sh
index 5acb9ee312..32f357f64b 100644
--- a/packages/chrony/build.sh
+++ b/packages/chrony/build.sh
@@ -3,7 +3,7 @@ TERMUX_PKG_DESCRIPTION="chrony is an implementation of the Network Time Protocol
 TERMUX_PKG_LICENSE="GPL-2.0"
 TERMUX_PKG_MAINTAINER="@termux"
 TERMUX_PKG_VERSION="4.5"
-TERMUX_PKG_REVISION=3
+TERMUX_PKG_REVISION=4
 TERMUX_PKG_SRCURL=https://chrony-project.org/releases/chrony-${TERMUX_PKG_VERSION}.tar.gz
 TERMUX_PKG_SHA256=19fe1d9f4664d445a69a96c71e8fdb60bcd8df24c73d1386e02287f7366ad422
 TERMUX_PKG_AUTO_UPDATE=true