diff --git a/src/base/allocator/partition_allocator/partition_alloc.gni b/src/base/allocator/partition_allocator/partition_alloc.gni
index 17da3298e7..ef77a8a705 100644
--- a/src/base/allocator/partition_allocator/partition_alloc.gni
+++ b/src/base/allocator/partition_allocator/partition_alloc.gni
@@ -19,9 +19,10 @@ if (is_nacl) {
   # NaCl targets don't use 64-bit pointers.
   has_64_bit_pointers = false
 } else if (current_cpu == "x64" || current_cpu == "arm64" ||
-           current_cpu == "loong64" || current_cpu == "riscv64") {
+           current_cpu == "loong64" || current_cpu == "riscv64" ||
+           current_cpu == "mips64el") {
   has_64_bit_pointers = true
-} else if (current_cpu == "x86" || current_cpu == "arm") {
+} else if (current_cpu == "x86" || current_cpu == "arm" || current_cpu == "mipsel") {
   has_64_bit_pointers = false
 } else {
   assert(false, "Unknown CPU: $current_cpu")