diff --git a/examples/negativeviewportheight/negativeviewportheight.cpp b/examples/negativeviewportheight/negativeviewportheight.cpp
index 19215272..1ebc2a3b 100644
--- a/examples/negativeviewportheight/negativeviewportheight.cpp
+++ b/examples/negativeviewportheight/negativeviewportheight.cpp
@@ -204,7 +204,7 @@ public:
 		VkPipelineLayoutCreateInfo pipelineLayoutCI = vks::initializers::pipelineLayoutCreateInfo(&descriptorSetLayout, 1);
 		VK_CHECK_RESULT(vkCreatePipelineLayout(device, &pipelineLayoutCI, nullptr, &pipelineLayout));
 
-		VkDescriptorPoolSize poolSize = vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 1);
+		VkDescriptorPoolSize poolSize = vks::initializers::descriptorPoolSize(VK_DESCRIPTOR_TYPE_COMBINED_IMAGE_SAMPLER, 2);
 		VkDescriptorPoolCreateInfo descriptorPoolCI = vks::initializers::descriptorPoolCreateInfo(1, &poolSize, 2);
 		VK_CHECK_RESULT(vkCreateDescriptorPool(device, &descriptorPoolCI, nullptr, &descriptorPool));