diff --git a/guide/troubleshooting.md b/guide/troubleshooting.md
index 7b97696..8b2e949 100644
--- a/guide/troubleshooting.md
+++ b/guide/troubleshooting.md
@@ -45,11 +45,14 @@ Logging options are controlled by environment variables:
     accepted are `google` (the default, like the Google
     [glog](https://github.com/google/glog) package) and `google-systemd` (a
     variation for better systemd compatibility).
+*   `MOONFIRE_COLOR` controls color coding when using the `google` format.
+    It accepts `on`, `off`, or `auto`. `auto` means to color code if stderr
+    is a terminal.
 *   Errors include a backtrace if `RUST_BACKTRACE=1` is set.
 
 If you use Docker, set these via Docker's `--env` argument.
 
-With the default `MOONFIRE_FORMAT=glog`, log lines are in the following
+With the default `MOONFIRE_FORMAT=google`, log lines are in the following
 format:
 
 ```text
diff --git a/server/Cargo.lock b/server/Cargo.lock
index 9937cff..52bab35 100644
--- a/server/Cargo.lock
+++ b/server/Cargo.lock
@@ -1274,9 +1274,10 @@ dependencies = [
 [[package]]
 name = "mylog"
 version = "0.1.0"
-source = "git+https://github.com/scottlamb/mylog#64519c6d9d4587d803900b82a83b45b35939b8f7"
+source = "git+https://github.com/scottlamb/mylog#1406a8d794d799971e0e1079d5188d2dc339c584"
 dependencies = [
  "chrono",
+ "libc",
  "log",
  "parking_lot",
 ]
diff --git a/server/src/main.rs b/server/src/main.rs
index 602b60c..cc81553 100644
--- a/server/src/main.rs
+++ b/server/src/main.rs
@@ -1,5 +1,5 @@
 // This file is part of Moonfire NVR, a security camera network video recorder.
-// Copyright (C) 2020 The Moonfire NVR Authors; see AUTHORS and LICENSE.txt.
+// Copyright (C) 2021 The Moonfire NVR Authors; see AUTHORS and LICENSE.txt.
 // SPDX-License-Identifier: GPL-v3.0-or-later WITH GPL-3.0-linking-exception.
 
 #![cfg_attr(all(feature = "nightly", test), feature(test))]
@@ -116,6 +116,12 @@ fn main() {
                 .and_then(|s| mylog::Format::from_str(&s))
                 .unwrap_or(mylog::Format::Google),
         )
+        .set_color(
+            ::std::env::var("MOONFIRE_COLOR")
+                .map_err(|_| ())
+                .and_then(|s| mylog::ColorMode::from_str(&s))
+                .unwrap_or(mylog::ColorMode::Auto),
+        )
         .set_spec(&::std::env::var("MOONFIRE_LOG").unwrap_or("info".to_owned()))
         .build();
     h.clone().install().unwrap();