diff --git a/lib/TPP/PassBundles/LowLevelParallelization.cpp b/lib/TPP/PassBundles/LowLevelParallelization.cpp
index 9eb548105..ef333a828 100644
--- a/lib/TPP/PassBundles/LowLevelParallelization.cpp
+++ b/lib/TPP/PassBundles/LowLevelParallelization.cpp
@@ -74,5 +74,6 @@ struct LowLevelParallelization
     mlir::tpp::LoopExpansionPassOptions loopExpansionPassOptions;
     loopExpansionPassOptions.numOuterParallel = outerParallelLoops;
     pm.addPass(createLoopExpansionPass(loopExpansionPassOptions));
+    pm.addNestedPass<func::FuncOp>(createCanonicalizerPass());
   }
 };