--- third_party/pdfium/pdfium.gni.orig	2026-04-28 21:06:17 UTC
+++ third_party/pdfium/pdfium.gni
@@ -42,7 +42,7 @@ declare_args() {
   # PDFium will use PartitionAlloc partitions to separate strings, scalars,
   # etc. from other allocations. However, the use of PartitionAlloc for new or
   # malloc is controlled by args in build_overrides/partition_alloc.gni.
-  pdf_use_partition_alloc = pdf_use_partition_alloc_override
+  pdf_use_partition_alloc = pdf_use_partition_alloc_override && use_partition_alloc_as_malloc
 
   # Build PDFium to use AGG (fully supported).
   pdf_use_agg = true
