diff --git a/gdb/testsuite/ChangeLog b/gdb/testsuite/ChangeLog
index 587f1ae1424..ded85f23d3b 100644
--- a/gdb/testsuite/ChangeLog
+++ b/gdb/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2020-09-17  Pedro Alves  <pedro@palves.net>
+
+	* gdb.python/py-frame-inline.exp: Adjust to optionally expect a
+	full prototype.
+
 2020-09-17  Pedro Alves  <pedro@palves.net>
 
 	* gdb.python/py-as-string.c: Add cast.
diff --git a/gdb/testsuite/gdb.python/py-frame-inline.exp b/gdb/testsuite/gdb.python/py-frame-inline.exp
index 71bffd375db..2b3d8e2b0e1 100644
--- a/gdb/testsuite/gdb.python/py-frame-inline.exp
+++ b/gdb/testsuite/gdb.python/py-frame-inline.exp
@@ -54,4 +54,4 @@ gdb_test "python print (gdb.newest_frame())" ".*"
 
 # Regression test to verify that Frame.function works properly for
 # inline frames.
-gdb_test "python print (gdb.newest_frame().function())" "f"
+gdb_test "python print (gdb.newest_frame().function())" "f(\\(\\))?"