diff --git a/libbacktrace/ChangeLog b/libbacktrace/ChangeLog
index 364575660541911af3f8def5bc9a4c743d07904e..c031dffb6b9ffbc3a818b6c82d197a454567e3dd 100644
--- a/libbacktrace/ChangeLog
+++ b/libbacktrace/ChangeLog
@@ -1,3 +1,7 @@
+2020-02-15  Ian Lance Taylor  <iant@golang.org>
+
+	* ztest.c (test_large): Update file to current libgo test file.
+
 2020-02-03  Ian Lance Taylor  <iant@golang.org>
 
 	* Makefile.am (libbacktrace_TEST_CFLAGS): Define.
diff --git a/libbacktrace/ztest.c b/libbacktrace/ztest.c
index 40f9c389a2ae288a6aa01c0731a269d9846f4a04..2663c90061a1b7ae6c47ed7acbfcc229ad53c841 100644
--- a/libbacktrace/ztest.c
+++ b/libbacktrace/ztest.c
@@ -315,8 +315,8 @@ test_large (struct backtrace_state *state)
   size_t ctimes[16];
   size_t ztimes[16];
   static const char * const names[] = {
-    "Mark.Twain-Tom.Sawyer.txt",
-    "../libgo/go/compress/testdata/Mark.Twain-Tom.Sawyer.txt"
+    "Isaac.Newton-Opticks.txt",
+    "../libgo/go/testdata/Isaac.Newton-Opticks.txt",
   };
 
   orig_buf = NULL;