diff --git a/pkg/ccl/backupccl/show_test.go b/pkg/ccl/backupccl/show_test.go
index 266872c5cd68..fcded2ab2c3d 100644
--- a/pkg/ccl/backupccl/show_test.go
+++ b/pkg/ccl/backupccl/show_test.go
@@ -124,7 +124,7 @@ ORDER BY object_type, object_name`, full)
 	// Truncate decimal places so Go's very rigid parsing will work.
 	// TODO(bardin): Consider using a third-party library for this, or some kind
 	// of time-freezing on the test cluster.
-	truncateBackupTimeRE := regexp.MustCompile(`^(.*\.[0-9]{2})[0-9]*\+00$`)
+	truncateBackupTimeRE := regexp.MustCompile(`^(.*\.\d{2})?[0-9]*\+00$`)
 	matchResult := truncateBackupTimeRE.FindStringSubmatch(beforeTS)
 	require.NotNil(t, matchResult, "%s does not match %s", beforeTS, truncateBackupTimeRE)
 	backupTime, err := time.Parse("2006-01-02 15:04:05.00", matchResult[1])