diff --git a/src/crypto/rx/Rx_linux.cpp b/src/crypto/rx/Rx_linux.cpp
index 82885137..782467a7 100644
--- a/src/crypto/rx/Rx_linux.cpp
+++ b/src/crypto/rx/Rx_linux.cpp
@@ -119,6 +119,8 @@ void xmrig::Rx::osInit(const RxConfig &config)
     if (Cpu::info()->assembly() == Assembly::RYZEN && wrmsr_modprobe()) {
         wrmsr_on_all_cpus(0xC0011022, 0x510000);
         wrmsr_on_all_cpus(0xC001102b, 0x1808cc16);
+        wrmsr_on_all_cpus(0xC0011020, 0);
+        wrmsr_on_all_cpus(0xC0011021, 0x40);
 
         return;
     }