diff --git a/dlls/ntdll/sync.c b/dlls/ntdll/sync.c
index 002bf428f4b..0614eea6f02 100644
--- a/dlls/ntdll/sync.c
+++ b/dlls/ntdll/sync.c
@@ -1032,7 +1032,7 @@ NTSTATUS NTDLL_queue_process_apc( HANDLE process, const apc_call_t *call, apc_re
 
         SERVER_START_REQ( queue_apc )
         {
-            req->process = wine_server_obj_handle( process );
+            req->handle = wine_server_obj_handle( process );
             req->call = *call;
             if (!(ret = wine_server_call( req )))
             {
diff --git a/dlls/ntdll/thread.c b/dlls/ntdll/thread.c
index 89d5ce9d8cb..b1647277266 100644
--- a/dlls/ntdll/thread.c
+++ b/dlls/ntdll/thread.c
@@ -747,7 +747,7 @@ NTSTATUS WINAPI NtQueueApcThread( HANDLE handle, PNTAPCFUNC func, ULONG_PTR arg1
     NTSTATUS ret;
     SERVER_START_REQ( queue_apc )
     {
-        req->thread = wine_server_obj_handle( handle );
+        req->handle = wine_server_obj_handle( handle );
         if (func)
         {
             req->call.type         = APC_USER;
diff --git a/include/wine/server_protocol.h b/include/wine/server_protocol.h
index 103b572e6bb..1889947c905 100644
--- a/include/wine/server_protocol.h
+++ b/include/wine/server_protocol.h
@@ -749,8 +749,7 @@ struct unload_dll_reply
 struct queue_apc_request
 {
     struct request_header __header;
-    obj_handle_t thread;
-    obj_handle_t process;
+    obj_handle_t handle;
     apc_call_t   call;
 };
 struct queue_apc_reply
@@ -5051,6 +5050,6 @@ union generic_reply
     struct set_window_layered_info_reply set_window_layered_info_reply;
 };
 
-#define SERVER_PROTOCOL_VERSION 354
+#define SERVER_PROTOCOL_VERSION 355
 
 #endif /* __WINE_WINE_SERVER_PROTOCOL_H */
diff --git a/server/protocol.def b/server/protocol.def
index ad05b642373..a4c154c333b 100644
--- a/server/protocol.def
+++ b/server/protocol.def
@@ -673,8 +673,7 @@ typedef union
 
 /* Queue an APC for a thread or process */
 @REQ(queue_apc)
-    obj_handle_t thread;       /* thread handle */
-    obj_handle_t process;      /* process handle */
+    obj_handle_t handle;       /* thread or process handle */
     apc_call_t   call;         /* call arguments */
 @REPLY
     obj_handle_t handle;       /* APC handle */
diff --git a/server/thread.c b/server/thread.c
index 0c496db7103..1eeb59ffce8 100644
--- a/server/thread.c
+++ b/server/thread.c
@@ -1242,7 +1242,7 @@ DECL_HANDLER(queue_apc)
     {
     case APC_NONE:
     case APC_USER:
-        thread = get_thread_from_handle( req->thread, THREAD_SET_CONTEXT );
+        thread = get_thread_from_handle( req->handle, THREAD_SET_CONTEXT );
         break;
     case APC_VIRTUAL_ALLOC:
     case APC_VIRTUAL_FREE:
@@ -1251,13 +1251,13 @@ DECL_HANDLER(queue_apc)
     case APC_VIRTUAL_LOCK:
     case APC_VIRTUAL_UNLOCK:
     case APC_UNMAP_VIEW:
-        process = get_process_from_handle( req->process, PROCESS_VM_OPERATION );
+        process = get_process_from_handle( req->handle, PROCESS_VM_OPERATION );
         break;
     case APC_VIRTUAL_QUERY:
-        process = get_process_from_handle( req->process, PROCESS_QUERY_INFORMATION );
+        process = get_process_from_handle( req->handle, PROCESS_QUERY_INFORMATION );
         break;
     case APC_MAP_VIEW:
-        process = get_process_from_handle( req->process, PROCESS_VM_OPERATION );
+        process = get_process_from_handle( req->handle, PROCESS_VM_OPERATION );
         if (process && process != current->process)
         {
             /* duplicate the handle into the target process */
@@ -1272,7 +1272,7 @@ DECL_HANDLER(queue_apc)
         }
         break;
     case APC_CREATE_THREAD:
-        process = get_process_from_handle( req->process, PROCESS_CREATE_THREAD );
+        process = get_process_from_handle( req->handle, PROCESS_CREATE_THREAD );
         break;
     default:
         set_error( STATUS_INVALID_PARAMETER );
diff --git a/server/trace.c b/server/trace.c
index 165c83ff131..5d392930ff3 100644
--- a/server/trace.c
+++ b/server/trace.c
@@ -1077,8 +1077,7 @@ static void dump_unload_dll_request( const struct unload_dll_request *req )
 
 static void dump_queue_apc_request( const struct queue_apc_request *req )
 {
-    fprintf( stderr, " thread=%04x,", req->thread );
-    fprintf( stderr, " process=%04x,", req->process );
+    fprintf( stderr, " handle=%04x,", req->handle );
     fprintf( stderr, " call=" );
     dump_apc_call( &req->call );
 }