diff --git a/engine/gfx/vulkan/src/gfx_vulkan.cpp b/engine/gfx/vulkan/src/gfx_vulkan.cpp
index 63364fd..687e6f3 100755
--- a/engine/gfx/vulkan/src/gfx_vulkan.cpp
+++ b/engine/gfx/vulkan/src/gfx_vulkan.cpp
@@ -2138,7 +2138,7 @@ void GFXVulkan::cacheDescriptorState(GFXVulkanPipeline* pipeline, VkDescriptorSe
         }
 	}
 
-	for (auto& [i, sampler] : utility::enumerate(boundSamplers)) {
+	for (auto [i, sampler] : utility::enumerate(boundSamplers)) {
 		if (sampler != nullptr) {
             GFXVulkanSampler* vulkanSampler = (GFXVulkanSampler*) sampler;