diff --git a/util/test/demos/vk/vk_descriptor_variable_count.cpp b/util/test/demos/vk/vk_descriptor_variable_count.cpp
index 4796bcf7a..9656fedd2 100644
--- a/util/test/demos/vk/vk_descriptor_variable_count.cpp
+++ b/util/test/demos/vk/vk_descriptor_variable_count.cpp
@@ -161,7 +161,7 @@ void main()
     if(!Init())
       return 3;
 
-    const static uint32_t numDescriptorSets = 10 * 1024;
+    const static uint32_t numDescriptorSets = 7 * 1024;
     const static uint32_t numDescriptorsPerSet = 2;
 
     VkDescriptorSetLayoutBindingFlagsCreateInfoEXT descFlags = {