diff --git a/server/mailslot.c b/server/mailslot.c
index d4e277bd523..12d9a781082 100644
--- a/server/mailslot.c
+++ b/server/mailslot.c
@@ -153,6 +153,7 @@ static struct fd *mailslot_device_get_fd( struct object *obj );
 static struct object *mailslot_device_lookup_name( struct object *obj, struct unicode_str *name,
                                                    unsigned int attr );
 static void mailslot_device_destroy( struct object *obj );
+static int mailslot_device_get_file_info( struct fd *fd );
 
 static const struct object_ops mailslot_device_ops =
 {
@@ -172,12 +173,12 @@ static const struct object_ops mailslot_device_ops =
 
 static const struct fd_ops mailslot_device_fd_ops =
 {
-    default_fd_get_poll_events,   /* get_poll_events */
-    default_poll_event,           /* poll_event */
-    no_flush,                     /* flush */
-    no_get_file_info,             /* get_file_info */
-    default_fd_queue_async,       /* queue_async */
-    default_fd_cancel_async       /* cancel_async */
+    default_fd_get_poll_events,     /* get_poll_events */
+    default_poll_event,             /* poll_event */
+    no_flush,                       /* flush */
+    mailslot_device_get_file_info,  /* get_file_info */
+    default_fd_queue_async,         /* queue_async */
+    default_fd_cancel_async         /* cancel_async */
 };
 
 static void mailslot_destroy( struct object *obj)
@@ -304,6 +305,11 @@ static void mailslot_device_destroy( struct object *obj )
     if (device->mailslots) free( device->mailslots );
 }
 
+static int mailslot_device_get_file_info( struct fd *fd )
+{
+    return 0;
+}
+
 struct mailslot_device *create_mailslot_device( struct directory *root, const struct unicode_str *name )
 {
     struct mailslot_device *dev;
diff --git a/server/named_pipe.c b/server/named_pipe.c
index d8892ed4695..8b25bc103b5 100644
--- a/server/named_pipe.c
+++ b/server/named_pipe.c
@@ -200,6 +200,7 @@ static struct fd *named_pipe_device_get_fd( struct object *obj );
 static struct object *named_pipe_device_lookup_name( struct object *obj,
     struct unicode_str *name, unsigned int attr );
 static void named_pipe_device_destroy( struct object *obj );
+static int named_pipe_device_get_file_info( struct fd *fd );
 
 static const struct object_ops named_pipe_device_ops =
 {
@@ -219,12 +220,12 @@ static const struct object_ops named_pipe_device_ops =
 
 static const struct fd_ops named_pipe_device_fd_ops =
 {
-    default_fd_get_poll_events,   /* get_poll_events */
-    default_poll_event,           /* poll_event */
-    no_flush,                     /* flush */
-    no_get_file_info,             /* get_file_info */
-    default_fd_queue_async,       /* queue_async */
-    default_fd_cancel_async       /* cancel_async */
+    default_fd_get_poll_events,       /* get_poll_events */
+    default_poll_event,               /* poll_event */
+    no_flush,                         /* flush */
+    named_pipe_device_get_file_info,  /* get_file_info */
+    default_fd_queue_async,           /* queue_async */
+    default_fd_cancel_async           /* cancel_async */
 };
 
 static void named_pipe_dump( struct object *obj, int verbose )
@@ -437,6 +438,11 @@ static void named_pipe_device_destroy( struct object *obj )
     if (device->pipes) free( device->pipes );
 }
 
+static int named_pipe_device_get_file_info( struct fd *fd )
+{
+    return 0;
+}
+
 /* this will be deleted as soon an we fix wait_named_pipe */
 static struct named_pipe_device *named_pipe_device;