diff --git a/l3backend/l3backend-pdf.dtx b/l3backend/l3backend-pdf.dtx
index 707841f25e..71745aeecf 100644
--- a/l3backend/l3backend-pdf.dtx
+++ b/l3backend/l3backend-pdf.dtx
@@ -1520,7 +1520,7 @@
         \hbox:n
           {
             \@@_backend:n { obj ~ @pdf_ #2 _llx ~ @xpos }
-             \@@_backend:n { obj ~ @pdf_ #2 _lly ~ @ypos }
+            \@@_backend:n { obj ~ @pdf_ #2 _lly ~ @ypos }
           }
       }
     \tex_kern:D #1 \scan_stop:
@@ -1534,7 +1534,7 @@
                 [
                   @thispage
                   /FitR ~
-                    @pdf_ #2 _llx ~ @pdf_ #1 _lly ~
+                    @pdf_ #2 _llx ~ @pdf_ #2 _lly ~
                     @xpos ~ @ypos
                 ]
               }