diff --git a/compiler/optimizing/optimizing_compiler.cc b/compiler/optimizing/optimizing_compiler.cc
index 8594c69..a5031e0 100644
--- a/compiler/optimizing/optimizing_compiler.cc
+++ b/compiler/optimizing/optimizing_compiler.cc
@@ -104,6 +104,7 @@
   // Run these phases to get some test coverage.
   graph->BuildDominatorTree();
   graph->TransformToSSA();
+  graph->FindNaturalLoops();
   SsaLivenessAnalysis(*graph).Analyze();
 
   return new CompiledMethod(GetCompilerDriver(),