Fix a minor compiler warning

1 files changed, 1 insertions, 1 deletions

diff --git a/devices/gdevdsp.c b/devices/gdevdsp.c
index f88ee8ddf..cf0501c02 100644
--- a/devices/gdevdsp.c
+++ b/devices/gdevdsp.c
@@ -1058,7 +1058,7 @@ display_put_params(gx_device * dev, gs_param_list * plist)
             return_error(gs_error_rangecheck);
         }
 
-        dev = ddev;
+        dev = (gx_device *)ddev;
         while(dev->parent) {
             dev = dev->parent;
             gx_update_from_subclass(dev);