diff --git a/crates/cli/src/js.rs b/crates/cli/src/js.rs
index c0f47fbf..8f7354a0 100644
--- a/crates/cli/src/js.rs
+++ b/crates/cli/src/js.rs
@@ -54,13 +54,13 @@ impl JS {
         bytecode::compile_source(self.source_code.as_bytes())
     }
 
-    pub fn compress(&self) -> Result<Vec<u8>> {
+    pub fn compress(&self, quality: i32) -> Result<Vec<u8>> {
         let mut compressed_source_code: Vec<u8> = vec![];
         enc::BrotliCompress(
             &mut Cursor::new(&self.source_code.as_bytes()),
             &mut compressed_source_code,
             &BrotliEncoderParams {
-                quality: 11,
+                quality,
                 ..Default::default()
             },
         )?;
diff --git a/crates/cli/src/wasm_generator/transform.rs b/crates/cli/src/wasm_generator/transform.rs
index 68023dcb..57af6212 100644
--- a/crates/cli/src/wasm_generator/transform.rs
+++ b/crates/cli/src/wasm_generator/transform.rs
@@ -13,13 +13,13 @@ pub struct SourceCodeSection {
 impl SourceCodeSection {
     pub fn compressed(js: &JS) -> Result<SourceCodeSection> {
         Ok(SourceCodeSection {
-            source_code: js.compress()?,
+            source_code: js.compress(11)?,
         })
     }
 
     pub fn uncompressed(js: &JS) -> Result<SourceCodeSection> {
         Ok(SourceCodeSection {
-            source_code: js.as_bytes().to_vec(),
+            source_code: js.compress(0)?,
         })
     }
 }