diff --git a/repos/os/src/server/part_block/gpt.h b/repos/os/src/server/part_block/gpt.h
index 4134fea259..e305a44215 100644
--- a/repos/os/src/server/part_block/gpt.h
+++ b/repos/os/src/server/part_block/gpt.h
@@ -348,9 +348,9 @@ class Block::Gpt : public Block::Partition_table
 			}
 
 			/* Report the partitions */
-			if (reporter.enabled())
+			if (reporter.constructed())
 			{
-				Reporter::Xml_generator xml(reporter, [&] () {
+				reporter->generate([&] (Xml_generator &xml) {
 					xml.attribute("type", "gpt");
 
 					uint64_t const total_blocks = block.info().block_count;
diff --git a/repos/os/src/server/part_block/main.cc b/repos/os/src/server/part_block/main.cc
index d5eca0ad5a..a60bba4efc 100644
--- a/repos/os/src/server/part_block/main.cc
+++ b/repos/os/src/server/part_block/main.cc
@@ -212,8 +212,8 @@ class Block::Main : Rpc_object<Typed_root<Session>>,
 
 		Attached_rom_dataspace _config { _env, "config" };
 
-		Heap     _heap     { _env.ram(), _env.rm() };
-		Reporter _reporter { _env, "partitions" };
+		Heap                              _heap     { _env.ram(), _env.rm() };
+		Constructible<Expanding_reporter> _reporter { };
 
 		Number_of_bytes const _io_buffer_size =
 			_config.xml().attribute_value("io_buffer",
@@ -498,7 +498,7 @@ Block::Partition_table & Block::Main::_table()
 		report = _config.xml().sub_node("report").attribute_value
                          ("partitions", false);
 		if (report)
-			_reporter.enabled(true);
+			_reporter.construct(_env, "partitions", "partitions");
 	} catch(...) {}
 
 	/*
diff --git a/repos/os/src/server/part_block/mbr.h b/repos/os/src/server/part_block/mbr.h
index 65ebabb4fe..a4ec695c60 100644
--- a/repos/os/src/server/part_block/mbr.h
+++ b/repos/os/src/server/part_block/mbr.h
@@ -215,7 +215,7 @@ struct Block::Mbr_partition_table : public Block::Partition_table
 					Partition(0, (block_count_t)(block.info().block_count - 1)));
 
 			/* report the partitions */
-			if (reporter.enabled()) {
+			if (reporter.constructed()) {
 
 				auto gen_partition_attr = [&] (Xml_generator &xml, unsigned i)
 				{
@@ -238,7 +238,7 @@ struct Block::Mbr_partition_table : public Block::Partition_table
 						xml.attribute("file_system", fs_type);
 				};
 
-				Reporter::Xml_generator xml(reporter, [&] () {
+				reporter->generate([&] (Xml_generator &xml) {
 
 					xml.attribute("type", mbr_valid  ? "mbr"  :
 					                      ahdi_valid ? "ahdi" :
diff --git a/repos/os/src/server/part_block/partition_table.h b/repos/os/src/server/part_block/partition_table.h
index a9896c2e01..faa2b90ce9 100644
--- a/repos/os/src/server/part_block/partition_table.h
+++ b/repos/os/src/server/part_block/partition_table.h
@@ -152,10 +152,10 @@ struct Block::Partition_table : Interface
 					return reinterpret_cast<T>(_buffer); }
 		};
 
-		Env              &env;
-		Block_connection &block;
-		Reporter         &reporter;
-		Sector_data       data;
+		Env                               &env;
+		Block_connection                  &block;
+		Constructible<Expanding_reporter> &reporter;
+		Sector_data                        data;
 
 		Io_signal_handler<Partition_table> io_sigh {
 			env.ep(), *this, &Partition_table::handle_io };
@@ -165,10 +165,10 @@ struct Block::Partition_table : Interface
 			if (data.current) { data.current->handle_io(); }
 		}
 
-		Partition_table(Env              &env,
-		                Block_connection &block,
-		                Allocator        &alloc,
-		                Reporter         &r)
+		Partition_table(Env                               &env,
+		                Block_connection                  &block,
+		                Allocator                         &alloc,
+		                Constructible<Expanding_reporter> &r)
 		: env(env), block(block), reporter(r), data(env, block, alloc)
 		{ }