diff --git a/src/main.rs b/src/main.rs
index 0376ec2..b779b9e 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -506,7 +506,6 @@ fn mode_diff(cmd: &mut Command, args: Args, ids: &mut Vec<i64>, tags: &mut Vec<S
         let compression_type_a = CompressionType::from_str(&item_a.compression)?;
         debug!("MAIN: Item A has compression type {:?}", compression_type_a.clone());
 
-        let compression_engine_a = compression::get_engine(compression_type_a).expect("Unable to get compression engine");
 
         if let Some(item_b) = item_b {
             debug!("MAIN: Found item B {:?}", item_b);
@@ -517,8 +516,6 @@ fn mode_diff(cmd: &mut Command, args: Args, ids: &mut Vec<i64>, tags: &mut Vec<S
             let compression_type_b = CompressionType::from_str(&item_b.compression)?;
             debug!("MAIN: Item B has compression type {:?}", compression_type_b.clone());
 
-            let compression_engine_b = compression::get_engine(compression_type_b).expect("Unable to get compression engine");
-
             let (fd_a_read, fd_a_write) = unistd::pipe().unwrap();
             let (fd_b_read, fd_b_write) = unistd::pipe().unwrap();
 
@@ -545,7 +542,7 @@ fn mode_diff(cmd: &mut Command, args: Args, ids: &mut Vec<i64>, tags: &mut Vec<S
             let handle_a = {
                 let stdout_a = stdout_a;
                 let item_path_a = item_path_a.clone();
-                let compression_engine_a = compression_engine_a;
+                let compression_engine_a = compression::get_engine(compression_type_a).expect("Unable to get compression engine");
                 std::thread::spawn(move || {
                     compression_engine_a.copy(item_path_a, &mut stdout_a).unwrap()
                 })
@@ -555,7 +552,7 @@ fn mode_diff(cmd: &mut Command, args: Args, ids: &mut Vec<i64>, tags: &mut Vec<S
             let handle_b = {
                 let stdout_b = stdout_b;
                 let item_path_b = item_path_b.clone();
-                let compression_engine_b = compression_engine_b;
+                let compression_engine_b = compression::get_engine(compression_type_b).expect("Unable to get compression engine");
                 std::thread::spawn(move || {
                     compression_engine_b.copy(item_path_b, &mut stdout_b).unwrap()
                 })