diff --git a/config_test.go b/config_test.go
index f6391672..7b8b8937 100644
--- a/config_test.go
+++ b/config_test.go
@@ -568,7 +568,16 @@ func TestConfigCopyOriginalConfigDidNotChange(t *testing.T) {
 	original, err := pgconn.ParseConfig(connString)
 	require.NoError(t, err)
 
+	fmt.Printf("original: %#v\n", original)
+	for i, f := range original.Fallbacks {
+		fmt.Printf("original fallback %d: %#v\n", i, f)
+	}
+
 	copied := original.Copy()
+	fmt.Printf("copied: %#v\n", copied)
+	for i, f := range copied.Fallbacks {
+		fmt.Printf("copied fallback %d: %#v\n", i, f)
+	}
 	assertConfigsEqual(t, original, copied, "Test Config.Copy() returns equal config")
 
 	copied.Port = uint16(5433)