diff --git a/include/momo/DataTable.h b/include/momo/DataTable.h
index 853d80a5..8db0632f 100644
--- a/include/momo/DataTable.h
+++ b/include/momo/DataTable.h
@@ -508,13 +508,13 @@ class DataTable
 		return pvNewRow(assign, assigns...);
 	}
 
-	template<typename RawArg = Raw>
-	Row NewRow(RawArg&& rawArg)
-		requires requires (ColumnList& columnList, MemManager& memManager, Raw* raw)
-			{ columnList.CreateRaw(memManager, std::forward<RawArg>(rawArg), raw); }
+	Row NewRow(std::conditional_t<std::is_void_v<Raw>, void*, Raw>&& srcRaw)	//?
+		requires (!std::is_void_v<Raw>) &&
+			requires (ColumnList& columnList, MemManager& memManager, Raw* raw)
+				{ columnList.CreateRaw(memManager, std::move(srcRaw), raw); }
 	{
-		auto rawCreator = [this, &rawArg] (Raw* raw)
-			{ GetColumnList().CreateRaw(GetMemManager(), std::forward<RawArg>(rawArg), raw); };
+		auto rawCreator = [this, &srcRaw] (Raw* raw)
+			{ GetColumnList().CreateRaw(GetMemManager(), std::move(srcRaw), raw); };
 		return pvMakeRow(pvCreateRaw(FastMovableFunctor(std::move(rawCreator))));
 	}
 
diff --git a/test/sources/SimpleDataSampler.cpp b/test/sources/SimpleDataSampler.cpp
index f7ecfad5..d532beb1 100644
--- a/test/sources/SimpleDataSampler.cpp
+++ b/test/sources/SimpleDataSampler.cpp
@@ -93,7 +93,7 @@ namespace sample_data2
 		// unique index (primary key)
 		table.AddUniqueHashIndex(&Struct::strCol, &Struct::intCol);
 
-		table.AddRow(table.NewRow(Struct{ .intCol = 1, .dblCol = 0.5, .strCol = "b" }));
+		table.AddRow(table.NewRow({ .intCol = 1, .dblCol = 0.5, .strCol = "b" }));
 
 		{
 			auto row = table.NewRow();
@@ -102,7 +102,7 @@ namespace sample_data2
 			table.TryAddRow(std::move(row));	// strCol = ""
 		}
 
-		table.TryAddRow(table.NewRow(Struct{ .intCol = 1, .dblCol = 3.5, .strCol = "b" }));
+		table.TryAddRow(table.NewRow({ .intCol = 1, .dblCol = 3.5, .strCol = "b" }));
 		// not added because of unique index
 
 		output << table.GetCount() << std::endl;	// 2
@@ -282,8 +282,8 @@ namespace sample_data5
 		// construct empty table with 3 columns
 		Table table;
 
-		table.AddRow(table.NewRow(Struct{ .intCol = 1, .dblCol = 1.5, .strCol = "a" }));
-		table.AddRow(table.NewRow(Struct{ .intCol = 2, .strCol = "a" }));
+		table.AddRow(table.NewRow({ .intCol = 1, .dblCol = 1.5, .strCol = "a" }));
+		table.AddRow(table.NewRow({ .intCol = 2, .strCol = "a" }));
 
 		for (auto row : table)
 			output << row->intCol << " " << row->dblCol << " " << row->strCol << std::endl;
diff --git a/test/sources/SimpleDataTester.cpp b/test/sources/SimpleDataTester.cpp
index 52fd6049..85b347af 100644
--- a/test/sources/SimpleDataTester.cpp
+++ b/test/sources/SimpleDataTester.cpp
@@ -503,7 +503,7 @@ class SimpleDataTester
 
 		if constexpr (!dynamic)
 		{
-			Row row = table.NewRow(Struct{ .intStruct = 1, .dblStruct = 3.5, .strStruct = "2" });
+			Row row = table.NewRow({ .intStruct = 1, .dblStruct = 3.5, .strStruct = "2" });
 			assert(row->intStruct == 1);
 			assert(row->dblStruct == 3.5);
 			assert(row->strStruct == "2");