diff --git a/ctypes_generation/definitions/functions/syscall.txt b/ctypes_generation/definitions/functions/syscall.txt
index 44097e8..116668e 100644
--- a/ctypes_generation/definitions/functions/syscall.txt
+++ b/ctypes_generation/definitions/functions/syscall.txt
@@ -100,7 +100,7 @@ NTSTATUS WINAPI NtCreateSymbolicLinkObject (
 
 NTSTATUS WINAPI NtSetInformationProcess(
   _In_ HANDLE               ProcessHandle,
-  _In_ PROCESS_INFORMATION_CLASS ProcessInformationClass,
+  _In_ PROCESSINFOCLASS ProcessInformationClass,
   _In_ PVOID                ProcessInformation,
   _In_ ULONG                ProcessInformationLength
 );
diff --git a/ctypes_generation/definitions/structures/winstruct.txt b/ctypes_generation/definitions/structures/winstruct.txt
index 93424bc..3b0fdbd 100644
--- a/ctypes_generation/definitions/structures/winstruct.txt
+++ b/ctypes_generation/definitions/structures/winstruct.txt
@@ -415,49 +415,82 @@ typedef enum _SECTION_INHERIT {
 } SECTION_INHERIT;
 
 typedef enum _PROCESSINFOCLASS {
-    ProcessBasicInformation,
-    ProcessQuotaLimits,
-    ProcessIoCounters,
-    ProcessVmCounters,
-    ProcessTimes,
-    ProcessBasePriority,
-    ProcessRaisePriority,
-    ProcessDebugPort,
-    ProcessExceptionPort,
-    ProcessAccessToken,
-    ProcessLdtInformation,
-    ProcessLdtSize,
-    ProcessDefaultHardErrorMode,
-    ProcessIoPortHandlers,
-    ProcessPooledUsageAndLimits,
-    ProcessWorkingSetWatch,
-    ProcessUserModeIOPL,
-    ProcessEnableAlignmentFaultFixup,
-    ProcessPriorityClass,
-    ProcessWx86Information,
-    ProcessHandleCount,
-    ProcessAffinityMask,
-    ProcessPriorityBoost,
-    ProcessDeviceMap,
-    ProcessSessionInformation,
-    ProcessForegroundInformation,
-    ProcessWow64Information,
-    ProcessImageFileName,
-    ProcessLUIDDeviceMapsEnabled,
-    ProcessBreakOnTermination,
-    ProcessDebugObjectHandle,
-    ProcessDebugFlags,
-    ProcessHandleTracing,
-    ProcessIoPriority,
-    ProcessExecuteFlags,
-    ProcessResourceManagement,
-    ProcessCookie,
-    ProcessImageInformation,
-    ProcessInformation38,
-    ProcessInformation39,
-    ProcessInstrumentationCallback,
-    MaxProcessInfoClass
-} PROCESSINFOCLASS, PROCESS_INFORMATION_CLASS;
+    ProcessBasicInformation                      = 0,
+    ProcessQuotaLimits                           = 1,
+    ProcessIoCounters                            = 2,
+    ProcessVmCounters                            = 3,
+    ProcessTimes                                 = 4,
+    ProcessBasePriority                          = 5,
+    ProcessRaisePriority                         = 6,
+    ProcessDebugPort                             = 7,
+    ProcessExceptionPort                         = 8,
+    ProcessAccessToken                           = 9,
+    ProcessLdtInformation                        = 10,
+    ProcessLdtSize                               = 11,
+    ProcessDefaultHardErrorMode                  = 12,
+    ProcessIoPortHandlers                        = 13,   // Note: this is kernel mode only
+    ProcessPooledUsageAndLimits                  = 14,
+    ProcessWorkingSetWatch                       = 15,
+    ProcessUserModeIOPL                          = 16,
+    ProcessEnableAlignmentFaultFixup             = 17,
+    ProcessPriorityClass                         = 18,
+    ProcessWx86Information                       = 19,
+    ProcessHandleCount                           = 20,
+    ProcessAffinityMask                          = 21,
+    ProcessPriorityBoost                         = 22,
+    ProcessDeviceMap                             = 23,
+    ProcessSessionInformation                    = 24,
+    ProcessForegroundInformation                 = 25,
+    ProcessWow64Information                      = 26,
+    ProcessImageFileName                         = 27,
+    ProcessLUIDDeviceMapsEnabled                 = 28,
+    ProcessBreakOnTermination                    = 29,
+    ProcessDebugObjectHandle                     = 30,
+    ProcessDebugFlags                            = 31,
+    ProcessHandleTracing                         = 32,
+    ProcessIoPriority                            = 33,
+    ProcessExecuteFlags                          = 34,
+    ProcessTlsInformation                        = 35,
+    ProcessCookie                                = 36,
+    ProcessImageInformation                      = 37,
+    ProcessCycleTime                             = 38,
+    ProcessPagePriority                          = 39,
+    ProcessInstrumentationCallback               = 40,
+    ProcessThreadStackAllocation                 = 41,
+    ProcessWorkingSetWatchEx                     = 42,
+    ProcessImageFileNameWin32                    = 43,
+    ProcessImageFileMapping                      = 44,
+    ProcessAffinityUpdateMode                    = 45,
+    ProcessMemoryAllocationMode                  = 46,
+    ProcessGroupInformation                      = 47,
+    ProcessTokenVirtualizationEnabled            = 48,
+    ProcessOwnerInformation                      = 49,
+    ProcessWindowInformation                     = 50,
+    ProcessHandleInformation                     = 51,
+    ProcessMitigationPolicy                      = 52,
+    ProcessDynamicFunctionTableInformation       = 53,
+    ProcessHandleCheckingMode                    = 54,
+    ProcessKeepAliveCount                        = 55,
+    ProcessRevokeFileHandles                     = 56,
+    ProcessWorkingSetControl                     = 57,
+    ProcessHandleTable                           = 58,
+    ProcessCheckStackExtentsMode                 = 59,
+    ProcessCommandLineInformation                = 60,
+    ProcessProtectionInformation                 = 61,
+    ProcessMemoryExhaustion                      = 62,
+    ProcessFaultInformation                      = 63,
+    ProcessTelemetryIdInformation                = 64,
+    ProcessCommitReleaseInformation              = 65,
+    ProcessReserved1Information                  = 66,
+    ProcessReserved2Information                  = 67,
+    ProcessSubsystemProcess                      = 68,
+    ProcessInPrivate                             = 70,
+    ProcessRaiseUMExceptionOnInvalidHandleClose  = 71,
+    ProcessSubsystemInformation                  = 75,
+    ProcessWin32kSyscallFilterInformation        = 79,
+    ProcessEnergyTrackingState                   = 82,
+    MaxProcessInfoClass                             // MaxProcessInfoClass should always be the last enum
+} PROCESSINFOCLASS;
 
 typedef enum _MEMORY_INFORMATION_CLASS {
     MemoryBasicInformation,
@@ -1594,11 +1627,6 @@ typedef struct _DEBUG_EXCEPTION_FILTER_PARAMETERS {
 } DEBUG_EXCEPTION_FILTER_PARAMETERS, *PDEBUG_EXCEPTION_FILTER_PARAMETERS;
 
 
-typedef enum _PROCESSINFOCLASS {
-    ProcessBasicInformation = 0,
-    ProcessWow64Information = 26
-} PROCESSINFOCLASS;
-
 typedef enum tagCOINIT {
   COINIT_APARTMENTTHREADED  = 0x2,
   COINIT_MULTITHREADED      = 0x0,