diff --git a/code/debug-int.lisp b/code/debug-int.lisp
index 0e02c090dc1d252d43e312d303b3378e89d5379d..3a418ffb6e0dc612b1aea85b71787bb438bc0ac1 100644
--- a/code/debug-int.lisp
+++ b/code/debug-int.lisp
@@ -785,11 +785,11 @@
 		(possibly-an-interpreted-frame
 		 (compute-calling-frame
 		  (get-context-value
-		   frame
+		   real
 		   c::old-fp-save-offset
 		   (c::compiled-debug-function-old-fp c-d-f))
 		  (get-context-value
-		   frame
+		   real
 		   c::return-pc-save-offset
 		   (c::compiled-debug-function-return-pc c-d-f))
 		  frame)