diff --git a/js/src/jit/RegisterSets.h b/js/src/jit/RegisterSets.h
index dcabcd4246..602f8fb1de 100644
--- a/js/src/jit/RegisterSets.h
+++ b/js/src/jit/RegisterSets.h
@@ -1319,7 +1319,8 @@ SavedNonVolatileRegisters(AllocatableGeneralRegisterSet unused)
     result.add(Register::FromCode(Registers::lr));
 #elif defined(JS_CODEGEN_ARM64)
     result.add(Register::FromCode(Registers::lr));
-#elif defined(JS_CODEGEN_MIPS32) || defined(JS_CODEGEN_MIPS64)
+#elif defined(JS_CODEGEN_MIPS32) || defined(JS_CODEGEN_MIPS64) || \
+      defined(JS_CODEGEN_LOONGARCH64)
     result.add(Register::FromCode(Registers::ra));
 #endif