diff --git a/CHANGELOG.md b/CHANGELOG.md
index c068f8c45..07af60137 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,7 @@
 
 ## [Unreleased](https://github.com/dalance/procs/compare/v0.11.6...Unreleased) - ReleaseDate
 
+* [Fixed] crash at piped/redirected [#146](https://github.com/dalance/procs/issues/146)
 * [Added] elapsed time [#120](https://github.com/dalance/procs/issues/120)
 * [Added] completion file message [#130](https://github.com/dalance/procs/issues/130)
 
diff --git a/src/util.rs b/src/util.rs
index 6b766f8fd..592439897 100644
--- a/src/util.rs
+++ b/src/util.rs
@@ -249,14 +249,19 @@ pub fn get_theme(opt: &Opt, config: &Config) -> ConfigTheme {
     };
     match theme {
         ConfigTheme::Auto => {
-            let timeout = Duration::from_millis(100);
-            if let Ok(theme) = termbg::theme(timeout) {
-                match theme {
-                    termbg::Theme::Dark => ConfigTheme::Dark,
-                    termbg::Theme::Light => ConfigTheme::Light,
+            if console::user_attended() {
+                let timeout = Duration::from_millis(100);
+                if let Ok(theme) = termbg::theme(timeout) {
+                    match theme {
+                        termbg::Theme::Dark => ConfigTheme::Dark,
+                        termbg::Theme::Light => ConfigTheme::Light,
+                    }
+                } else {
+                    // If termbg failed, fallback to dark theme
+                    ConfigTheme::Dark
                 }
             } else {
-                // If termbg failed, fallback to dark theme
+                // If piped or redirected, fallback to dark theme
                 ConfigTheme::Dark
             }
         }