diff --git a/fmt.spec b/fmt.spec
index 7afbacf..f9a18fd 100644
--- a/fmt.spec
+++ b/fmt.spec
@@ -1,6 +1,6 @@
 Name:           fmt
 Version:        6.1.2
-Release:        1%{?dist}
+Release:        1.0.riscv64%{?dist}
 Summary:        Small, safe and fast formatting library for C++
 
 License:        BSD
@@ -24,7 +24,9 @@ BuildRequires:  cmake
 %endif
 # For building documentation
 BuildRequires:  doxygen
+%ifnarch riscv64
 BuildRequires:  nodejs-less
+%endif
 %if 0%{?fedora}
 BuildRequires:  python3-sphinx
 BuildRequires:  python3-breathe
@@ -110,6 +112,9 @@ popd
 %license doc/python-license.txt
 
 %changelog
+* Mon Dec 23 2019 David Abdurachmanov <david.abdurachmanov@sifive.com> - 6.1.2-1.0.riscv64
+- Disable nodejs-less BR for riscv64
+
 * Wed Dec 18 2019 Vitaly Zaitsev <vitaly@easycoding.org> - 6.1.2-1
 - Updated to version 6.1.2.
 - Recreated all documentation patches.