diff --git a/modules/renderer/private/backend/vk/context/instance.cpp b/modules/renderer/private/backend/vk/context/instance.cpp
index 11ec40e..6ba6054 100644
--- a/modules/renderer/private/backend/vk/context/instance.cpp
+++ b/modules/renderer/private/backend/vk/context/instance.cpp
@@ -217,6 +217,7 @@ void Instance::initialize_instance()
 		vkc(vk_enumerate_instance_extension_properties(nullptr, &count, nullptr));
 
 		auto extensions = std::vector<VkExtensionProperties>(count);
+		memset(extensions.data(), 0, extensions.size() * sizeof(VkExtensionProperties));
 		vkc(vk_enumerate_instance_extension_properties(nullptr, &count, extensions.data()));
 
 		// log_inf("Available vulkan instance extensions:");