diff --git a/src/command/crf_search.rs b/src/command/crf_search.rs
index 05ad7ca..a0eefd4 100644
--- a/src/command/crf_search.rs
+++ b/src/command/crf_search.rs
@@ -67,6 +67,11 @@ pub struct Args {
     #[arg(long)]
     pub crf_increment: Option<f32>,
 
+    // TODO refactor into Samples ArgGroup
+    /// Keep temporary files after exiting.
+    #[arg(long)]
+    pub keep: bool,
+
     /// Enable sample-encode caching.
     #[arg(
         long,
@@ -125,6 +130,7 @@ pub async fn run(
         thorough,
         sample,
         quiet,
+        keep,
         cache,
         vmaf,
     }: &Args,
@@ -146,7 +152,7 @@ pub async fn run(
         args: args.clone(),
         crf: 0.0,
         sample: sample.clone(),
-        keep: false,
+        keep: *keep,
         cache: *cache,
         stdout_format: sample_encode::StdoutFormat::Json,
         vmaf: vmaf.clone(),
diff --git a/src/main.rs b/src/main.rs
index 4f99524..c5356ef 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -59,6 +59,7 @@ impl Command {
     fn keep_temp_files(&self) -> bool {
         match self {
             Self::SampleEncode(args) => args.keep,
+            Self::CrfSearch(args) => args.keep,
             _ => false,
         }
     }