diff --git a/src/compiler_llvm/compilation_unit.cc b/src/compiler_llvm/compilation_unit.cc
index 3b4defd..ae87395 100644
--- a/src/compiler_llvm/compilation_unit.cc
+++ b/src/compiler_llvm/compilation_unit.cc
@@ -139,6 +139,7 @@
   target_options.NoFramePointerElim = true;
   target_options.NoFramePointerElimNonLeaf = true;
   target_options.UseSoftFloat = false;
+  target_options.EnableFastISel = true;
 
   // Create the llvm::TargetMachine
   llvm::TargetMachine* target_machine =