diff --git a/src/main.rs b/src/main.rs
index 2623f11..c6a17c7 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -3,7 +3,7 @@ use clap::Parser;
 #[derive(Parser)]
 struct Args {
     /// Number of threads
-    #[arg(short, long, default_value_t = 2)]
+    #[arg(short, long, default_value_t = 1)]
     nt: usize,
 
     /// DNA strand size (increases search space)