diff --git a/compiler/driver/compiler_driver.cc b/compiler/driver/compiler_driver.cc
index a120d05..4f3533a 100644
--- a/compiler/driver/compiler_driver.cc
+++ b/compiler/driver/compiler_driver.cc
@@ -2015,6 +2015,11 @@
       *target_attr = "";
       break;
 
+    case kX86_64:
+      *target_triple = "x86_64-pc-linux-gnu";
+      *target_attr = "";
+      break;
+
     case kMips:
       *target_triple = "mipsel-unknown-linux";
       *target_attr = "mips32r2";