diff --git a/isomd5sum-1.2.3-add-riscv64.patch b/isomd5sum-1.2.3-add-riscv64.patch
new file mode 100644
index 0000000..32853ca
--- /dev/null
+++ b/isomd5sum-1.2.3-add-riscv64.patch
@@ -0,0 +1,13 @@
+diff --git a/Makefile b/Makefile
+index c98cf35..a601e78 100644
+--- a/Makefile
++++ b/Makefile
+@@ -4,7 +4,7 @@ PYTHONINCLUDE := $(shell $(PYTHON)-config --includes)
+ 
+ VERSION=1.2.3
+ 
+-ifneq (,$(filter sparc64 ppc64 ppc64le x86_64 s390x aarch64,$(shell uname -m)))
++ifneq (,$(filter sparc64 ppc64 ppc64le x86_64 s390x aarch64 riscv64,$(shell uname -m)))
+ LIBDIR = lib64
+ else
+ LIBDIR = lib
diff --git a/isomd5sum.spec b/isomd5sum.spec
index de1efd5..6b9f598 100644
--- a/isomd5sum.spec
+++ b/isomd5sum.spec
@@ -1,7 +1,7 @@
 Summary: Utilities for working with md5sum implanted in ISO images
 Name:    isomd5sum
 Version: 1.2.3
-Release: 1%{?dist}
+Release: 1.0.riscv64%{?dist}
 Epoch: 1
 License: GPLv2+
 Group: Applications/System
@@ -9,6 +9,8 @@ Group: Applications/System
 Url:     https://github.com/rhinstaller/isomd5sum
 Source0: https://github.com/rhinstaller/%{name}/archive/%{version}.tar.gz
 
+Patch0:  isomd5sum-1.2.3-add-riscv64.patch
+
 BuildRequires: gcc
 BuildRequires: popt-devel
 BuildRequires: python2-devel python3-devel
@@ -83,6 +85,9 @@ popd
 %{python3_sitearch}/pyisomd5sum.so
 
 %changelog
+* Mon Apr 23 2018 David Abdurachmanov <david.abdurachmanov@gmail.com> - 1:1.2.3-1.0.riscv64
+- Add support for riscv64
+
 * Tue Apr 10 2018 Brian C. Lane <bcl@redhat.com> - 1:1.2.3-1
 - New Version 1.2.3 (bcl)
 - Fix 32bit bug on large files (squimrel)