diff --git a/vulkan/scripts/generator_common.py b/vulkan/scripts/generator_common.py
index 4176509..c25c6cb 100644
--- a/vulkan/scripts/generator_common.py
+++ b/vulkan/scripts/generator_common.py
@@ -69,6 +69,7 @@
 _OPTIONAL_COMMANDS = [
     'vkGetSwapchainGrallocUsageANDROID',
     'vkGetSwapchainGrallocUsage2ANDROID',
+    'vkGetSwapchainGrallocUsage3ANDROID',
 ]
 
 # Dict for mapping dispatch table to a type.