diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index 6f92df87a6..a260377b9f 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,9 @@
+2020-10-14  Gary Benson <gbenson@redhat.com>
+
+	* gdb.python/py-format-string.exp (test_deref_refs): Treat
+	"_vptr$Base" as correct, in addition to "_vptr.Base".
+	(test_mixed): Likewise.
+
 2020-10-27  Gary Benson <gbenson@redhat.com>
 
 	* gdb.mi/mi-fortran-modules.exp: Check skip_fortran_tests.
diff --git a/gdb/testsuite/gdb.python/py-format-string.exp b/gdb/testsuite/gdb.python/py-format-string.exp
index 792d60c09d..b7acc242ed 100644
--- a/gdb/testsuite/gdb.python/py-format-string.exp
+++ b/gdb/testsuite/gdb.python/py-format-string.exp
@@ -509,7 +509,7 @@ proc test_deref_refs {} {
   if { $current_lang == "c++" } {
     check_var_with_bool_opt "deref_refs" "a_point_t_ref"
     check_var_with_bool_opt "deref_refs" "a_base_ref" \
-      "${default_ref_regexp}: \\{_vptr\\.Base = ${default_pointer_regexp} <vtable for Deriv\\+16>, a = 42, static a_static_member = 2019\\}"
+	"${default_ref_regexp}: \\{_vptr\[.\$\]Base = ${default_pointer_regexp} <vtable for Deriv\\+16>, a = 42, static a_static_member = 2019\\}"
   }
 }
 
@@ -905,7 +905,7 @@ proc test_mixed {} {
 
     check_format_string "a_base_ref" \
       "deref_refs=True, static_members=False" \
-      "${default_ref_regexp}: \\{_vptr\\.Base = ${default_pointer_regexp} <vtable for Deriv\\+16>, a = 42\\}"
+      "${default_ref_regexp}: \\{_vptr\[.\$\]Base = ${default_pointer_regexp} <vtable for Deriv\\+16>, a = 42\\}"
   }
 }