diff --git a/reactos/ntoskrnl/include/internal/ps.h b/reactos/ntoskrnl/include/internal/ps.h
index 306d56cd6db..68732b41414 100644
--- a/reactos/ntoskrnl/include/internal/ps.h
+++ b/reactos/ntoskrnl/include/internal/ps.h
@@ -381,7 +381,7 @@ extern PVOID PspSystemDllBase;
 extern BOOLEAN PspUseJobSchedulingClasses;
 extern CHAR PspJobSchedulingClasses[PSP_JOB_SCHEDULING_CLASSES];
 extern ULONG PsRawPrioritySeparation;
-extern POBJECT_TYPE _PsThreadType;
+extern POBJECT_TYPE _PsThreadType, _PsProcessType;
 extern PTOKEN PspBootAccessToken;
 extern GENERIC_MAPPING PspJobMapping;
 extern POBJECT_TYPE PsJobType;
diff --git a/reactos/ntoskrnl/include/ntoskrnl.h b/reactos/ntoskrnl/include/ntoskrnl.h
index 696e5833fef..ddddc6d5949 100644
--- a/reactos/ntoskrnl/include/ntoskrnl.h
+++ b/reactos/ntoskrnl/include/ntoskrnl.h
@@ -64,6 +64,7 @@
 //
 #define IoFileObjectType                _IoFileObjectType
 #define PsThreadType                    _PsThreadType
+#define PsProcessType                   _PsProcessType
 #define ExEventObjectType               _ExEventObjectType
 #define ExSemaphoreObjectType           _ExSemaphoreObjectType
 #define KdDebuggerEnabled               _KdDebuggerEnabled
diff --git a/reactos/ntoskrnl/ntoskrnl.def b/reactos/ntoskrnl/ntoskrnl.def
index 60a02e5177d..7293fadd4c4 100644
--- a/reactos/ntoskrnl/ntoskrnl.def
+++ b/reactos/ntoskrnl/ntoskrnl.def
@@ -940,7 +940,7 @@ PsJobType DATA
 PsLookupProcessByProcessId@8
 PsLookupProcessThreadByCid@12
 PsLookupThreadByThreadId@8
-PsProcessType DATA
+PsProcessType=_PsProcessType
 PsReferenceImpersonationToken@16
 PsReferencePrimaryToken@4
 PsRemoveCreateThreadNotifyRoutine@4