diff --git a/llvm/test/tools/yaml2obj/XCOFF/long-symbol-name.yaml b/llvm/test/tools/yaml2obj/XCOFF/long-symbol-name.yaml
--- a/llvm/test/tools/yaml2obj/XCOFF/long-symbol-name.yaml
+++ b/llvm/test/tools/yaml2obj/XCOFF/long-symbol-name.yaml
@@ -2,8 +2,6 @@
 # RUN: yaml2obj %s -o %t
 # RUN: llvm-readobj --symbols --string-table %t | FileCheck %s
 
-## FIXME: The first item of StringTable should be `[     4]   .longname`.
-
 # CHECK:      AddressSize: 32bit
 # CHECK-NEXT: Symbols [
 # CHECK-NEXT:   Symbol {
@@ -26,7 +24,7 @@
 # CHECK-NEXT:   }
 # CHECK-NEXT: ]
 # CHECK-NEXT: StringTable {
-# CHECK-NEXT:   [     3]   ..longname
+# CHECK-NEXT:   [     4]   .longname
 # CHECK-NEXT: }
 
 --- !XCOFF
diff --git a/llvm/tools/llvm-readobj/ObjDumper.h b/llvm/tools/llvm-readobj/ObjDumper.h
--- a/llvm/tools/llvm-readobj/ObjDumper.h
+++ b/llvm/tools/llvm-readobj/ObjDumper.h
@@ -110,7 +110,7 @@
 
   virtual void printStackMap() const = 0;
 
-  void printAsStringList(StringRef StringContent);
+  void printAsStringList(StringRef StringContent, uint8_t BeginByte = 0);
 
   void printSectionsAsString(const object::ObjectFile &Obj,
                              ArrayRef<std::string> Sections);
diff --git a/llvm/tools/llvm-readobj/ObjDumper.cpp b/llvm/tools/llvm-readobj/ObjDumper.cpp
--- a/llvm/tools/llvm-readobj/ObjDumper.cpp
+++ b/llvm/tools/llvm-readobj/ObjDumper.cpp
@@ -53,9 +53,9 @@
     W << (isPrint(Start[i]) ? static_cast<char>(Start[i]) : '.');
 }
 
-void ObjDumper::printAsStringList(StringRef StringContent) {
+void ObjDumper::printAsStringList(StringRef StringContent, uint8_t BeginByte) {
   const uint8_t *StrContent = StringContent.bytes_begin();
-  const uint8_t *CurrentWord = StrContent;
+  const uint8_t *CurrentWord = StrContent + BeginByte;
   const uint8_t *StrEnd = StringContent.bytes_end();
 
   while (CurrentWord <= StrEnd) {
diff --git a/llvm/tools/llvm-readobj/XCOFFDumper.cpp b/llvm/tools/llvm-readobj/XCOFFDumper.cpp
--- a/llvm/tools/llvm-readobj/XCOFFDumper.cpp
+++ b/llvm/tools/llvm-readobj/XCOFFDumper.cpp
@@ -460,7 +460,9 @@
 void XCOFFDumper::printStringTable() {
   DictScope DS(W, "StringTable");
   StringRef StrTable = Obj.getStringTable();
-  printAsStringList(StrTable);
+  // No need to dump bytes 0-3, since bytes 0-2 are '\0' and byte 3 stores the
+  // size of StringTable.
+  printAsStringList(StrTable, 4);
 }
 
 void XCOFFDumper::printDynamicSymbols() {