diff --git a/community/java-rxtx/PKGBUILD b/community/java-rxtx/PKGBUILD
index 07ca1b16a..3c4ef15a2 100644
--- a/community/java-rxtx/PKGBUILD
+++ b/community/java-rxtx/PKGBUILD
@@ -4,11 +4,12 @@
 # ALARM: Kevin Mihelich <kevin@archlinuxarm.org>
 #  - (make)depend on java-runtime and -environmennt >=8 (fails to build with 7)
 #  - patch from debian to fix build on ARM
+#  - patch from Fedora to fix undefined symbol error
 
 pkgname=java-rxtx
 _pkgname=rxtx
 pkgver=2.2pre2
-pkgrel=6
+pkgrel=6.1
 pkgdesc="Java library for serial IO"
 arch=('x86_64')
 url="http://rxtx.qbang.org/"
@@ -24,14 +25,16 @@ source=(http://rxtx.qbang.org/pub/$_pkgname/$_pkgname-$pkgver.zip
         rxtx-2.2-fhs_lock.patch
         ttyACM_port.patch
         java10.patch
-        rxtx-sys_io_h_check.patch)
+        rxtx-sys_io_h_check.patch
+        rxtx-2.2-minor.patch)
 md5sums=('7eedb18e3f33a427e2b0e9be8ce3f94c'
          '2f21ec5eb108f871815242698b6150f1'
          '1f7c43d582bfe9daea22d7f7057436da'
          'f4d22d263f45cd1d4db6242dd0ac78ae'
          '903a3fe0067d0682dd5f64483c741df6'
          '683dd95e6e419b2b63851c08ede7ca86'
-         '6fa4482df20625f652ecad818e92614a')
+         '6fa4482df20625f652ecad818e92614a'
+         '5d2a20641b82e46b31330267d1a5c19b')
 
 prepare() {
   cd $_pkgname-$pkgver
@@ -54,6 +57,9 @@ prepare() {
   # Fix ARM build
   patch -Np1 -i ../rxtx-sys_io_h_check.patch
 
+  # Fix undefined symbol error
+  patch -Np1 -i ../rxtx-2.2-minor.patch
+
   rm *.m4
   autoreconf -fi
 }
diff --git a/community/java-rxtx/rxtx-2.2-minor.patch b/community/java-rxtx/rxtx-2.2-minor.patch
new file mode 100644
index 000000000..b58f5ce58
--- /dev/null
+++ b/community/java-rxtx/rxtx-2.2-minor.patch
@@ -0,0 +1,10 @@
+--- rxtx-20100211.orig/src/SerialImp.c	2018-11-04 13:02:53.306800091 +0100
++++ rxtx-20100211.new/src/SerialImp.c	2018-11-04 13:01:39.495497644 +0100
+@@ -148,6 +148,7 @@
+ #endif /* LIBLOCKDEV */
+ 
+ extern int errno;
++#include <sys/sysmacros.h>
+ 
+ #include "SerialImp.h"
+