diff --git a/src/compression_engine.rs b/src/compression_engine.rs
index c932e41..9adb9c6 100755
--- a/src/compression_engine.rs
+++ b/src/compression_engine.rs
@@ -176,33 +176,33 @@ impl Clone for Box<dyn CompressionEngine> {
 lazy_static! {
     static ref COMPRESSION_ENGINES: EnumMap<CompressionType, Box<dyn CompressionEngine>> = {
         let mut em = enum_map! {
-            CompressionType::LZ4 => Box::new(crate::compression_engine::lz4::CompressionEngineLZ4::new()),
+            CompressionType::LZ4 => Box::new(crate::compression_engine::lz4::CompressionEngineLZ4::new()) as Box<dyn CompressionEngine>,
             CompressionType::GZip => Box::new(crate::compression_engine::program::CompressionEngineProgram::new(
                 "gzip",
                 vec!["-c"],
                 vec!["-d", "-c"]
-            )),
+            )) as Box<dyn CompressionEngine>,
             CompressionType::BZip2 => Box::new(crate::compression_engine::program::CompressionEngineProgram::new(
                 "bzip2",
                 vec!["-c"],
                 vec!["-d", "-c"]
-            )),
+            )) as Box<dyn CompressionEngine>,
             CompressionType::XZ => Box::new(crate::compression_engine::program::CompressionEngineProgram::new(
                 "xz",
                 vec!["-c"],
                 vec!["-d", "-c"]
-            )),
+            )) as Box<dyn CompressionEngine>,
             CompressionType::ZStd => Box::new(crate::compression_engine::program::CompressionEngineProgram::new(
                 "zstd",
                 vec!["-c"],
                 vec!["-d", "-c"]
-            )),
-            CompressionType::None => Box::new(crate::compression_engine::none::CompressionEngineNone::new())
+            )) as Box<dyn CompressionEngine>,
+            CompressionType::None => Box::new(crate::compression_engine::none::CompressionEngineNone::new()) as Box<dyn CompressionEngine>
         };
 
         #[cfg(feature = "gzip")]
         {
-            em[CompressionType::GZip] = Box::new(crate::compression_engine::gzip::CompressionEngineGZip::new());
+            em[CompressionType::GZip] = Box::new(crate::compression_engine::gzip::CompressionEngineGZip::new()) as Box<dyn CompressionEngine>;
         }
 
         em
@@ -214,7 +214,7 @@ pub fn default_compression_type() -> CompressionType {
 }
 
 pub fn get_compression_engine(ct: CompressionType) -> Result<Box<dyn CompressionEngine>> {
-    let engine = &COMPRESSION_ENGINES[ct];
+    let engine = &COMPRESSION_ENGINES[ct.clone()];
     if engine.is_supported() {
         Ok(engine.clone())
     } else {
diff --git a/src/lib.rs b/src/lib.rs
index d136536..4360f29 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -37,6 +37,7 @@ pub mod db;
 pub mod meta_plugin;
 pub mod modes;
 pub mod filter_plugin;
+pub mod args;
 
 // Re-export Args struct for library usage
 pub use args::Args;