diff --git a/Source/PDBExtractor.cpp b/Source/PDBExtractor.cpp
index 110376d..c1de85e 100644
--- a/Source/PDBExtractor.cpp
+++ b/Source/PDBExtractor.cpp
@@ -450,6 +450,8 @@ PDBExtractor::PrintPDBHeader()
 			m_PDB.GetMachineType() == IMAGE_FILE_MACHINE_AMD64 ? "AMD64" :
 			m_PDB.GetMachineType() == IMAGE_FILE_MACHINE_IA64  ? "IA64"  :
 			m_PDB.GetMachineType() == IMAGE_FILE_MACHINE_ARMNT ? "ArmNT" :
+			m_PDB.GetMachineType() == IMAGE_FILE_MACHINE_ARM64 ? "ARM64" :
+			m_PDB.GetMachineType() == IMAGE_FILE_MACHINE_CHPE_X86 ? "CHPE_X86" :
 			                                                     "Unknown";
 
 		static char HEADER_FILE_HEADER_FORMATTED[16 * 1024];
diff --git a/Source/PDBExtractor.h b/Source/PDBExtractor.h
index b69731e..41b11b0 100644
--- a/Source/PDBExtractor.h
+++ b/Source/PDBExtractor.h
@@ -7,6 +7,11 @@
 #include <memory>
 #include <string>
 
+// From ntimage.h
+#ifndef IMAGE_FILE_MACHINE_CHPE_X86
+#define IMAGE_FILE_MACHINE_CHPE_X86 0x3A64
+#endif
+
 #define PDBEX_VERSION_MAJOR 0
 #define PDBEX_VERSION_MINOR 18