diff --git a/rpcs3/Emu/RSX/VK/VKDraw.cpp b/rpcs3/Emu/RSX/VK/VKDraw.cpp
index b8730af2f0..bf919daddb 100644
--- a/rpcs3/Emu/RSX/VK/VKDraw.cpp
+++ b/rpcs3/Emu/RSX/VK/VKDraw.cpp
@@ -972,21 +972,23 @@ void VKGSRender::emit_geometry(u32 sub_index)
 		{
 			const auto subranges = draw_call.get_subranges();
 			const auto subranges_count = ::size32(subranges);
-			const auto allocation_size = subranges_count * 3;
+			const auto allocation_size = subranges_count * sizeof(VkMultiDrawIndexedInfoEXT);
 
 			m_multidraw_parameters_buffer.resize(allocation_size);
-			auto _ptr = m_multidraw_parameters_buffer.data();
+			auto _ptr = utils::bless<VkMultiDrawIndexedInfoEXT>(m_multidraw_parameters_buffer.data());
 			u32 vertex_offset = 0;
 
 			for (const auto& range : subranges)
 			{
 				const auto count = get_index_count(draw_call.primitive, range.count);
-				*_ptr++ = 0;
-				*_ptr++ = vertex_offset;
-				*_ptr++ = count;
+				_ptr->firstIndex = vertex_offset;
+				_ptr->indexCount = count;
+				_ptr->vertexOffset = 0;
+
+				_ptr++;
 				vertex_offset += count;
 			}
-			_vkCmdDrawMultiIndexedEXT(*m_current_command_buffer, subranges_count, utils::bless<const VkMultiDrawIndexedInfoEXT>(_ptr), 1, 0, sizeof(u32) * 3, nullptr);
+			_vkCmdDrawMultiIndexedEXT(*m_current_command_buffer, subranges_count, _ptr, 1, 0, sizeof(u32) * 3, nullptr);
 		}
 		else
 		{
diff --git a/rpcs3/Emu/RSX/VK/VKGSRender.h b/rpcs3/Emu/RSX/VK/VKGSRender.h
index 2fe1314f13..f37c0d411b 100644
--- a/rpcs3/Emu/RSX/VK/VKGSRender.h
+++ b/rpcs3/Emu/RSX/VK/VKGSRender.h
@@ -147,7 +147,7 @@ private:
 	VkDescriptorBufferInfo m_vertex_instructions_buffer_info {};
 	VkDescriptorBufferInfo m_fragment_instructions_buffer_info {};
 
-	rsx::simple_array<u32> m_multidraw_parameters_buffer;
+	rsx::simple_array<u8> m_multidraw_parameters_buffer;
 	u64 m_xform_constants_dynamic_offset = 0;          // We manage transform_constants dynamic offset manually to alleviate performance penalty of doing a hot-patch of constants.
 
 	std::array<vk::frame_context_t, VK_MAX_ASYNC_FRAMES> frame_context_storage;