diff --git a/src/bin/copyrat.rs b/src/bin/copyrat.rs
index 5a3f565..b665441 100644
--- a/src/bin/copyrat.rs
+++ b/src/bin/copyrat.rs
@@ -12,10 +12,11 @@ fn main() {
 
     let mut buffer = String::new();
     handle.read_to_string(&mut buffer).unwrap();
+    let lines = buffer.split('\n').collect::<Vec<_>>();
 
     // Execute copyrat over the buffer (will take control over stdout).
     // This returns the selected matche.
-    let selection: Option<Selection> = run(buffer, &opt);
+    let selection: Option<Selection> = run(&lines, &opt);
 
     // Early exit, signaling no selections were found.
     if selection.is_none() {
diff --git a/src/bin/tmux_copyrat.rs b/src/bin/tmux_copyrat.rs
index 2c3375d..bba6f79 100644
--- a/src/bin/tmux_copyrat.rs
+++ b/src/bin/tmux_copyrat.rs
@@ -17,6 +17,7 @@ fn main() -> Result<(), error::ParseError> {
         .expect("Exactly one tmux pane should be active in the current window.");
 
     let buffer = tmux::capture_pane(&active_pane, &config.capture_region)?;
+    let lines = buffer.split('\n').collect::<Vec<_>>();
 
     // We have to dance a little with Panes, because this process' i/o streams
     // are connected to the pane in the window newly created for us, instead
@@ -24,7 +25,7 @@ fn main() -> Result<(), error::ParseError> {
     let temp_pane_spec = format!("{}.0", config.window_name);
     tmux::swap_pane_with(&temp_pane_spec)?;
 
-    let selection = copyrat::run(buffer, &config.basic_config);
+    let selection = copyrat::run(&lines, &config.basic_config);
 
     tmux::swap_pane_with(&temp_pane_spec)?;
 
diff --git a/src/lib.rs b/src/lib.rs
index 2a23b59..f61e584 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -9,9 +9,7 @@ pub mod ui;
 /// # Note
 ///
 /// Maybe the decision to take ownership of the buffer is a bit bold.
-pub fn run(buffer: String, opt: &config::basic::Config) -> Option<ui::Selection> {
-    let lines = buffer.split('\n').collect::<Vec<_>>();
-
+pub fn run(lines: &[&str], opt: &config::basic::Config) -> Option<ui::Selection> {
     let model = textbuf::Model::new(
         &lines,
         &opt.alphabet,