diff --git a/src/unicorn-emulator/unicorn_x64_emulator.cpp b/src/unicorn-emulator/unicorn_x64_emulator.cpp
index 369cf7fb..b6ec8dfa 100644
--- a/src/unicorn-emulator/unicorn_x64_emulator.cpp
+++ b/src/unicorn-emulator/unicorn_x64_emulator.cpp
@@ -247,6 +247,7 @@ namespace unicorn
             unicorn_x64_emulator()
             {
                 uce(uc_open(UC_ARCH_X86, UC_MODE_64, &this->uc_));
+                uce(uc_ctl_set_cpu_model(this->uc_, UC_CPU_X86_EPYC_ROME));
 
 #ifndef OS_WINDOWS
 #pragma GCC diagnostic push