diff --git a/src/duckdb/src/execution/index/art/prefix.cpp b/src/duckdb/src/execution/index/art/prefix.cpp
index e39556609..cd1e8dafb 100644
--- a/src/duckdb/src/execution/index/art/prefix.cpp
+++ b/src/duckdb/src/execution/index/art/prefix.cpp
@@ -48,10 +48,9 @@ uint8_t Prefix::GetByte(const ART &art, const Node &node, const uint8_t pos) {
 	return prefix.data[pos];
 }
 
-Prefix Prefix::NewInternal(ART &art, Node &node, const data_ptr_t data, const uint8_t count, const idx_t offset,
-                           const NType type) {
-	node = Node::GetAllocator(art, type).New();
-	node.SetMetadata(static_cast<uint8_t>(type));
+Prefix Prefix::NewInternal(ART &art, Node &node, const data_ptr_t data, const uint8_t count, const idx_t offset) {
+	node = Node::GetAllocator(art, PREFIX).New();
+	node.SetMetadata(static_cast<uint8_t>(PREFIX));
 
 	Prefix prefix(art, node, true);
 	prefix.data[Count(art)] = count;
@@ -59,6 +58,7 @@ Prefix Prefix::NewInternal(ART &art, Node &node, const data_ptr_t data, const ui
 		D_ASSERT(count);
 		memcpy(prefix.data, data + offset, count);
 	}
+	prefix.ptr->Clear();
 	return prefix;
 }
 
@@ -68,7 +68,7 @@ void Prefix::New(ART &art, reference<Node> &ref, const ARTKey &key, const idx_t
 	while (count) {
 		auto min = MinValue(UnsafeNumericCast<idx_t>(Count(art)), count);
 		auto this_count = UnsafeNumericCast<uint8_t>(min);
-		auto prefix = NewInternal(art, ref, key.data, this_count, offset + depth, PREFIX);
+		auto prefix = NewInternal(art, ref, key.data, this_count, offset + depth);
 
 		ref = *prefix.ptr;
 		offset += this_count;
@@ -114,7 +114,7 @@ void Prefix::Concat(ART &art, Node &parent, uint8_t byte, const GateStatus old_s
 	}
 
 	if (parent.GetType() != PREFIX) {
-		auto prefix = NewInternal(art, parent, &byte, 1, 0, PREFIX);
+		auto prefix = NewInternal(art, parent, &byte, 1, 0);
 		if (child.GetType() == PREFIX) {
 			prefix.Append(art, child);
 		} else {
@@ -216,7 +216,7 @@ GateStatus Prefix::Split(ART &art, reference<Node> &node, Node &child, const uin
 		// Create a new prefix and
 		// 1. copy the remaining bytes of this prefix.
 		// 2. append remaining prefix nodes.
-		auto new_prefix = NewInternal(art, child, nullptr, 0, 0, PREFIX);
+		auto new_prefix = NewInternal(art, child, nullptr, 0, 0);
 		new_prefix.data[Count(art)] = prefix.data[Count(art)] - pos - 1;
 		memcpy(new_prefix.data, prefix.data + pos + 1, new_prefix.data[Count(art)]);
 
@@ -321,7 +321,7 @@ Prefix Prefix::Append(ART &art, const uint8_t byte) {
 		return *this;
 	}
 
-	auto prefix = NewInternal(art, *ptr, nullptr, 0, 0, PREFIX);
+	auto prefix = NewInternal(art, *ptr, nullptr, 0, 0);
 	return prefix.Append(art, byte);
 }
 
@@ -364,14 +364,14 @@ void Prefix::ConcatGate(ART &art, Node &parent, uint8_t byte, const Node &child)
 
 	} else if (child.GetType() == PREFIX) {
 		// At least one more row ID in this gate.
-		auto prefix = NewInternal(art, new_prefix, &byte, 1, 0, PREFIX);
+		auto prefix = NewInternal(art, new_prefix, &byte, 1, 0);
 		prefix.ptr->Clear();
 		prefix.Append(art, child);
 		new_prefix.SetGateStatus(GateStatus::GATE_SET);
 
 	} else {
 		// At least one more row ID in this gate.
-		auto prefix = NewInternal(art, new_prefix, &byte, 1, 0, PREFIX);
+		auto prefix = NewInternal(art, new_prefix, &byte, 1, 0);
 		*prefix.ptr = child;
 		new_prefix.SetGateStatus(GateStatus::GATE_SET);
 	}
@@ -386,7 +386,7 @@ void Prefix::ConcatGate(ART &art, Node &parent, uint8_t byte, const Node &child)
 void Prefix::ConcatChildIsGate(ART &art, Node &parent, uint8_t byte, const Node &child) {
 	// Create a new prefix and point it to the gate.
 	if (parent.GetType() != PREFIX) {
-		auto prefix = NewInternal(art, parent, &byte, 1, 0, PREFIX);
+		auto prefix = NewInternal(art, parent, &byte, 1, 0);
 		*prefix.ptr = child;
 		return;
 	}
diff --git a/src/duckdb/src/function/table/version/pragma_version.cpp b/src/duckdb/src/function/table/version/pragma_version.cpp
index d0fe9c1bd..79dfb3c8f 100644
--- a/src/duckdb/src/function/table/version/pragma_version.cpp
+++ b/src/duckdb/src/function/table/version/pragma_version.cpp
@@ -1,5 +1,5 @@
 #ifndef DUCKDB_PATCH_VERSION
-#define DUCKDB_PATCH_VERSION "3-dev133"
+#define DUCKDB_PATCH_VERSION "3-dev137"
 #endif
 #ifndef DUCKDB_MINOR_VERSION
 #define DUCKDB_MINOR_VERSION 3
@@ -8,10 +8,10 @@
 #define DUCKDB_MAJOR_VERSION 1
 #endif
 #ifndef DUCKDB_VERSION
-#define DUCKDB_VERSION "v1.3.3-dev133"
+#define DUCKDB_VERSION "v1.3.3-dev137"
 #endif
 #ifndef DUCKDB_SOURCE_ID
-#define DUCKDB_SOURCE_ID "2efc9ec537"
+#define DUCKDB_SOURCE_ID "3ac7e19ac4"
 #endif
 #include "duckdb/function/table/system_functions.hpp"
 #include "duckdb/main/database.hpp"
diff --git a/src/duckdb/src/include/duckdb/execution/index/art/prefix.hpp b/src/duckdb/src/include/duckdb/execution/index/art/prefix.hpp
index 644f789f6..bb1799b72 100644
--- a/src/duckdb/src/include/duckdb/execution/index/art/prefix.hpp
+++ b/src/duckdb/src/include/duckdb/execution/index/art/prefix.hpp
@@ -80,8 +80,7 @@ class Prefix {
 	static void TransformToDeprecated(ART &art, Node &node, unsafe_unique_ptr<FixedSizeAllocator> &allocator);
 
 private:
-	static Prefix NewInternal(ART &art, Node &node, const data_ptr_t data, const uint8_t count, const idx_t offset,
-	                          const NType type);
+	static Prefix NewInternal(ART &art, Node &node, const data_ptr_t data, const uint8_t count, const idx_t offset);
 
 	static Prefix GetTail(ART &art, const Node &node);