diff --git a/lld/MachO/BPSectionOrderer.cpp b/lld/MachO/BPSectionOrderer.cpp
index d50abc22fc6c1..328c33e6cfb65 100644
--- a/lld/MachO/BPSectionOrderer.cpp
+++ b/lld/MachO/BPSectionOrderer.cpp
@@ -118,6 +118,10 @@ DenseMap<const InputSection *, int> lld::macho::runBalancedPartitioning(
         auto *isec = subsec.isec;
         if (!isec || isec->data.empty() || !isec->data.data())
           continue;
+        // CString section order is handled by
+        // {Deduplicated}CStringSection::finalizeContents()
+        if (isa<CStringInputSection>(isec) || isec->isFinal)
+          continue;
         // ConcatInputSections are entirely live or dead, so the offset is
         // irrelevant.
         if (isa<ConcatInputSection>(isec) && !isec->isLive(0))
diff --git a/lld/test/MachO/bp-section-orderer.s b/lld/test/MachO/bp-section-orderer.s
index 90924e5797b64..d7de90d6cd7b3 100644
--- a/lld/test/MachO/bp-section-orderer.s
+++ b/lld/test/MachO/bp-section-orderer.s
@@ -106,6 +106,11 @@ r3:
 r4:
   .quad s2
 
+# cstrings are ignored by runBalancedPartitioning()
+.cstring
+cstr:
+  .asciz "this is cstr"
+
 .bss
 bss0:
   .zero 10