diff --git a/src/compiler_llvm/compiler_llvm.cc b/src/compiler_llvm/compiler_llvm.cc
index 7563fe0..d528615 100644
--- a/src/compiler_llvm/compiler_llvm.cc
+++ b/src/compiler_llvm/compiler_llvm.cc
@@ -119,7 +119,7 @@
   // Allocate compilation unit
   size_t cunit_idx = cunits_.size();
 
-  curr_cunit_ = new CompilationUnit(insn_set_);
+  curr_cunit_ = new CompilationUnit(insn_set_, cunit_idx);
 
   // Setup output filename
   curr_cunit_->SetElfFileName(