diff --git a/src/openrct2/windows/tile_inspector.c b/src/openrct2/windows/tile_inspector.c
index 489a5c2f95..fb0884e2d8 100644
--- a/src/openrct2/windows/tile_inspector.c
+++ b/src/openrct2/windows/tile_inspector.c
@@ -696,7 +696,7 @@ static void window_tile_inspector_paste_element(rct_window *w)
 	// Construct the data to send using the surface's properties
 	sint32 data[2];
 	memcpy(&data[0], &tileInspectorCopiedElement, 8);
-	static_assert(sizeof(data) == sizeof(tileInspectorCopiedElement), "Sizes do not match");
+	assert_struct_size(data, sizeof(tileInspectorCopiedElement));
 
 	game_do_command(
 		TILE_INSPECTOR_ANY_PASTE,
diff --git a/src/openrct2/world/map.c b/src/openrct2/world/map.c
index bc32c32c1b..74bae68e61 100644
--- a/src/openrct2/world/map.c
+++ b/src/openrct2/world/map.c
@@ -5643,8 +5643,8 @@ void game_command_modify_tile(sint32* eax, sint32* ebx, sint32* ecx, sint32* edx
 	{
 		rct_map_element element_to_paste;
 		sint32 data[] = { *edx, *edi };
+		assert_struct_size(data, sizeof(element_to_paste));
 		memcpy(&element_to_paste, data, 8);
-		static_assert(sizeof(data) == sizeof(element_to_paste), "Sizes do not match");
 		*ebx = tile_inspector_paste_element_at(x, y, element_to_paste, flags);
 		return;
 	}