diff --git a/filament/src/ds/DescriptorSet.cpp b/filament/src/ds/DescriptorSet.cpp
index 9d41b20a33f..caa433ad46c 100644
--- a/filament/src/ds/DescriptorSet.cpp
+++ b/filament/src/ds/DescriptorSet.cpp
@@ -149,7 +149,7 @@ void DescriptorSet::setSampler(
 
 DescriptorSet DescriptorSet::duplicate(DescriptorSetLayout const& layout) const noexcept {
     DescriptorSet set{layout};
-    memcpy(set.mDescriptors.data(), mDescriptors.data(), mDescriptors.size() * sizeof(Desc));
+    set.mDescriptors = mDescriptors; // Use the vector's assignment operator
     set.mDirty = mDirty;
     set.mValid = mValid;
     return set;