diff --git a/lld/test/COFF/hello32.test b/lld/test/COFF/hello32.test
--- a/lld/test/COFF/hello32.test
+++ b/lld/test/COFF/hello32.test
@@ -42,6 +42,7 @@
 HEADER-NEXT:   MinorSubsystemVersion: 0
 HEADER-NEXT:   SizeOfImage: 20480
 HEADER-NEXT:   SizeOfHeaders: 1024
+HEADER-NEXT:   CheckSum:
 HEADER-NEXT:   Subsystem: IMAGE_SUBSYSTEM_WINDOWS_CUI (0x3)
 HEADER-NEXT:   Characteristics [ (0x9140)
 HEADER-NEXT:     IMAGE_DLL_CHARACTERISTICS_APPCONTAINER (0x1000)
diff --git a/llvm/test/tools/llvm-readobj/COFF/file-headers.test b/llvm/test/tools/llvm-readobj/COFF/file-headers.test
--- a/llvm/test/tools/llvm-readobj/COFF/file-headers.test
+++ b/llvm/test/tools/llvm-readobj/COFF/file-headers.test
@@ -152,6 +152,7 @@
 # I386-CUSTOM-HEADER-NEXT:  MinorSubsystemVersion: 0
 # I386-CUSTOM-HEADER-NEXT:  SizeOfImage: 4096
 # I386-CUSTOM-HEADER-NEXT:  SizeOfHeaders: 512
+# I386-CUSTOM-HEADER-NEXT:  CheckSum: 0
 # I386-CUSTOM-HEADER-NEXT:  Subsystem: IMAGE_SUBSYSTEM_WINDOWS_CUI (0x3)
 # I386-CUSTOM-HEADER-NEXT:  Characteristics [ (0x8140)
 # I386-CUSTOM-HEADER-NEXT:    IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE (0x40)
diff --git a/llvm/tools/llvm-readobj/COFFDumper.cpp b/llvm/tools/llvm-readobj/COFFDumper.cpp
--- a/llvm/tools/llvm-readobj/COFFDumper.cpp
+++ b/llvm/tools/llvm-readobj/COFFDumper.cpp
@@ -737,6 +737,7 @@
   W.printNumber("MinorSubsystemVersion", Hdr->MinorSubsystemVersion);
   W.printNumber("SizeOfImage", Hdr->SizeOfImage);
   W.printNumber("SizeOfHeaders", Hdr->SizeOfHeaders);
+  W.printNumber("CheckSum", Hdr->CheckSum);
   W.printEnum  ("Subsystem", Hdr->Subsystem, makeArrayRef(PEWindowsSubsystem));
   W.printFlags ("Characteristics", Hdr->DLLCharacteristics,
                 makeArrayRef(PEDLLCharacteristics));