diff --git a/cpp/velox/substrait/VeloxToSubstraitPlan.h b/cpp/velox/substrait/VeloxToSubstraitPlan.h
index 701d57aedb29..42a0a1bd99d7 100644
--- a/cpp/velox/substrait/VeloxToSubstraitPlan.h
+++ b/cpp/velox/substrait/VeloxToSubstraitPlan.h
@@ -104,7 +104,7 @@ class VeloxToSubstraitPlanConvertor {
 
   /// The Type converter used to conver velox representation into Substrait
   /// type.
-  std::shared_ptr<VeloxToSubstraitTypeConvertor> typeConvertor_;
+  std::shared_ptr<VeloxToSubstraitTypeConvertor> typeConvertor_ = std::make_shared<VeloxToSubstraitTypeConvertor>();
 
   /// The Extension collector storing the relations between the function
   /// signature and the function reference number.
diff --git a/cpp/velox/tests/VeloxToSubstraitTypeTest.cc b/cpp/velox/tests/VeloxToSubstraitTypeTest.cc
index ea8ff790b26b..e7d637ddbb99 100644
--- a/cpp/velox/tests/VeloxToSubstraitTypeTest.cc
+++ b/cpp/velox/tests/VeloxToSubstraitTypeTest.cc
@@ -37,7 +37,7 @@ class VeloxToSubstraitTypeTest : public ::testing::Test {
         << "Expected: " << type->toString() << ", but got: " << sameType->toString();
   }
 
-  std::shared_ptr<VeloxToSubstraitTypeConvertor> typeConvertor_;
+  std::shared_ptr<VeloxToSubstraitTypeConvertor> typeConvertor_ = std::make_shared<VeloxToSubstraitTypeConvertor>();
 };
 
 TEST_F(VeloxToSubstraitTypeTest, basic) {