diff --git a/src/memline.c b/src/memline.c
index e3a4bdb..244e692 100644
--- a/src/memline.c
+++ b/src/memline.c
@@ -1519,7 +1519,7 @@
 			    line_count = pp->pb_pointer[idx].pe_line_count;
 			    if (readfile(curbuf->b_ffname, NULL, lnum,
 					pp->pb_pointer[idx].pe_old_lnum - 1,
-					line_count, NULL, 0) == FAIL)
+					line_count, NULL, 0) != OK)
 				cannot_open = TRUE;
 			    else
 				lnum += line_count;