diff --git a/src/gfxstream/codegen/scripts/cereal/marshaling.py b/src/gfxstream/codegen/scripts/cereal/marshaling.py
index 6b385a3b6f8..9972f4cd7f6 100644
--- a/src/gfxstream/codegen/scripts/cereal/marshaling.py
+++ b/src/gfxstream/codegen/scripts/cereal/marshaling.py
@@ -703,7 +703,7 @@ class VulkanMarshaling(VulkanWrapperGenerator):
                     freeParams.append(makeVulkanTypeSimple(True, bindingInfo["type"], 0, envname))
                 else:
                     if not bindingInfo["structmember"]:
-                        letParams.append(makeVulkanTypeSimple(True, bindingInfo["type"], 0, envname))
+                        letParams.append(makeVulkanTypeSimple(False, bindingInfo["type"], 0, envname))
 
             marshalPrototype = \
                 VulkanAPI(API_PREFIX_MARSHAL + name,
diff --git a/src/gfxstream/codegen/scripts/cereal/reservedmarshaling.py b/src/gfxstream/codegen/scripts/cereal/reservedmarshaling.py
index 4c922d21d92..5ed1008c74b 100644
--- a/src/gfxstream/codegen/scripts/cereal/reservedmarshaling.py
+++ b/src/gfxstream/codegen/scripts/cereal/reservedmarshaling.py
@@ -813,7 +813,7 @@ class VulkanReservedMarshaling(VulkanWrapperGenerator):
                     freeParams.append(makeVulkanTypeSimple(True, bindingInfo["type"], 0, envname))
                 else:
                     if not bindingInfo["structmember"]:
-                        letParams.append(makeVulkanTypeSimple(True, bindingInfo["type"], 0, envname))
+                        letParams.append(makeVulkanTypeSimple(False, bindingInfo["type"], 0, envname))
 
             marshalPrototype = \
                 VulkanAPI(API_PREFIX_RESERVEDMARSHAL + name,