diff --git a/src/duckdb/src/function/table/version/pragma_version.cpp b/src/duckdb/src/function/table/version/pragma_version.cpp
index 15a0f2035..c7fe92d1d 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 "1-dev176"
+#define DUCKDB_PATCH_VERSION "1-dev178"
 #endif
 #ifndef DUCKDB_MINOR_VERSION
 #define DUCKDB_MINOR_VERSION 1
@@ -8,10 +8,10 @@
 #define DUCKDB_MAJOR_VERSION 1
 #endif
 #ifndef DUCKDB_VERSION
-#define DUCKDB_VERSION "v1.1.1-dev176"
+#define DUCKDB_VERSION "v1.1.1-dev178"
 #endif
 #ifndef DUCKDB_SOURCE_ID
-#define DUCKDB_SOURCE_ID "86723c9912"
+#define DUCKDB_SOURCE_ID "df82a0e2c4"
 #endif
 #include "duckdb/function/table/system_functions.hpp"
 #include "duckdb/main/database.hpp"
diff --git a/src/duckdb/src/planner/operator/logical_copy_to_file.cpp b/src/duckdb/src/planner/operator/logical_copy_to_file.cpp
index 62f2434c6..1b4f88f65 100644
--- a/src/duckdb/src/planner/operator/logical_copy_to_file.cpp
+++ b/src/duckdb/src/planner/operator/logical_copy_to_file.cpp
@@ -65,7 +65,7 @@ void LogicalCopyToFile::Serialize(Serializer &serializer) const {
 	serializer.WriteProperty(213, "file_extension", file_extension);
 	serializer.WriteProperty(214, "rotate", rotate);
 	serializer.WriteProperty(215, "return_type", return_type);
-	serializer.WriteProperty(216, "write_partition_columns", write_partition_columns);
+	serializer.WritePropertyWithDefault(216, "write_partition_columns", write_partition_columns, true);
 }
 
 unique_ptr<LogicalOperator> LogicalCopyToFile::Deserialize(Deserializer &deserializer) {
@@ -109,7 +109,7 @@ unique_ptr<LogicalOperator> LogicalCopyToFile::Deserialize(Deserializer &deseria
 	auto rotate = deserializer.ReadPropertyWithExplicitDefault(214, "rotate", false);
 	auto return_type =
 	    deserializer.ReadPropertyWithExplicitDefault(215, "return_type", CopyFunctionReturnType::CHANGED_ROWS);
-	auto write_partition_columns = deserializer.ReadProperty<bool>(216, "write_partition_columns");
+	auto write_partition_columns = deserializer.ReadPropertyWithExplicitDefault(216, "write_partition_columns", true);
 
 	if (!has_serialize) {
 		// If not serialized, re-bind with the copy info