diff --git a/lib/Differentiator/ReverseModeForwPassVisitor.cpp b/lib/Differentiator/ReverseModeForwPassVisitor.cpp
index f90893511..2d060ab55 100644
--- a/lib/Differentiator/ReverseModeForwPassVisitor.cpp
+++ b/lib/Differentiator/ReverseModeForwPassVisitor.cpp
@@ -105,7 +105,7 @@ llvm::SmallVector<clang::QualType, 8>
 ReverseModeForwPassVisitor::ComputeParamTypes(const DiffParams& diffParams) {
   llvm::SmallVector<clang::QualType, 8> paramTypes;
   paramTypes.reserve(m_Function->getNumParams() * 2);
-  for (auto PVD : m_Function->parameters())
+  for (auto *PVD : m_Function->parameters())
     paramTypes.push_back(PVD->getType());
 
   QualType effectiveReturnType =