diff --git a/src/codec/bzip2/decoder.rs b/src/codec/bzip2/decoder.rs
index 255169b..356d182 100644
--- a/src/codec/bzip2/decoder.rs
+++ b/src/codec/bzip2/decoder.rs
@@ -97,8 +97,18 @@ impl Decode for BzDecoder {
 
     fn finish(
         &mut self,
-        _output: &mut PartialBuffer<impl AsRef<[u8]> + AsMut<[u8]>>,
+        output: &mut PartialBuffer<impl AsRef<[u8]> + AsMut<[u8]>>,
     ) -> io::Result<bool> {
-        Ok(true)
+        match self.decode(
+            &mut PartialBuffer::new(&[][..]),
+            output,
+        )? {
+            Status::Ok
+            | Status::FlushOk
+            | Status::RunOk
+            | Status::FinishOk  => Ok(false),
+            Status::StreamEnd => Ok(true),
+            Status::MemNeeded => Err(io::ErrorKind::OutOfMemory.into()),
+        }
     }
 }