diff --git a/base/VulkanDevice.hpp b/base/VulkanDevice.hpp
index a6d8dbae..e75e82f6 100644
--- a/base/VulkanDevice.hpp
+++ b/base/VulkanDevice.hpp
@@ -416,7 +416,7 @@ namespace vks
 			VK_CHECK_RESULT(vkAllocateMemory(logicalDevice, &memAlloc, nullptr, &buffer->memory));
 
 			buffer->alignment = memReqs.alignment;
-			buffer->size = memAlloc.allocationSize;
+			buffer->size = size;
 			buffer->usageFlags = usageFlags;
 			buffer->memoryPropertyFlags = memoryPropertyFlags;