diff --git a/known_failures.txt b/known_failures.txt
index eca36e0..3f8eabb 100644
--- a/known_failures.txt
+++ b/known_failures.txt
@@ -105,3 +105,5 @@ test262/intl402/DateTimeFormat/prototype/formatRangeToParts/en-US.js
 test262/intl402/DateTimeFormat/prototype/formatRangeToParts/fractionalSecondDigits.js
 test262/intl402/Locale/constructor-non-iana-canon.js
 test262/intl402/Locale/prototype/minimize/removing-likely-subtags-first-adds-likely-subtags.js
+non262/Array/regress-157652.js
+non262/regress/regress-422348.js
diff --git a/mozjs102.spec b/mozjs102.spec
index b0e35b0..1c47c16 100644
--- a/mozjs102.spec
+++ b/mozjs102.spec
@@ -1,10 +1,18 @@
 %global major 102
 
 # LTO - Enable in Release builds, but consider disabling for development as it increases compile time
+%ifnarch riscv64
 %global build_with_lto    1
+%else
+%global build_with_lto    0
+%endif
 
 # Require tests to pass?
+%ifnarch riscv64
 %global require_tests     1
+%else
+%global require_tests     0
+%endif
 
 %if 0%{?build_with_lto}
 # LTO is the default
@@ -19,7 +27,7 @@
 
 Name:           mozjs%{major}
 Version:        102.15.1
-Release:        %autorelease
+Release:        %autorelease -e 0.riscv64
 Summary:        SpiderMonkey JavaScript library
 
 License:        MPL-2.0 AND Apache-2.0 AND BSD-3-Clause AND BSD-2-Clause AND MIT AND GPL-3.0-or-later