diff --git a/dlls/ntdll/ntdll.spec b/dlls/ntdll/ntdll.spec
index 717067f4527..7a3edfacc10 100644
--- a/dlls/ntdll/ntdll.spec
+++ b/dlls/ntdll/ntdll.spec
@@ -361,7 +361,7 @@
 @ stdcall NtSignalAndWaitForSingleObject(long long long ptr)
 @ stub NtStartProfile
 @ stub NtStopProfile
-# @ stub NtSuspendProcess
+@ stdcall NtSuspendProcess(long)
 @ stdcall NtSuspendThread(long ptr)
 @ stdcall NtSystemDebugControl(long ptr long ptr long ptr)
 @ stdcall NtTerminateJobObject(long long)
@@ -1286,7 +1286,7 @@
 @ stdcall ZwSignalAndWaitForSingleObject(long long long ptr) NtSignalAndWaitForSingleObject
 @ stub ZwStartProfile
 @ stub ZwStopProfile
-# @ stub ZwSuspendProcess
+@ stdcall ZwSuspendProcess(long) NtSuspendProcess
 @ stdcall ZwSuspendThread(long ptr) NtSuspendThread
 @ stdcall ZwSystemDebugControl(long ptr long ptr long ptr) NtSystemDebugControl
 @ stdcall ZwTerminateJobObject(long long) NtTerminateJobObject
diff --git a/dlls/ntdll/process.c b/dlls/ntdll/process.c
index a93b8fb5def..54f81689ebe 100644
--- a/dlls/ntdll/process.c
+++ b/dlls/ntdll/process.c
@@ -642,3 +642,13 @@ NTSTATUS  WINAPI NtOpenProcess(PHANDLE handle, ACCESS_MASK access,
     SERVER_END_REQ;
     return status;
 }
+
+/******************************************************************************
+ * NtSuspendProcess
+ * ZwSuspendProcess
+ */
+NTSTATUS WINAPI NtSuspendProcess( HANDLE handle )
+{
+    FIXME("stub: %p\n", handle);
+    return STATUS_NOT_IMPLEMENTED;
+}