diff --git a/src/decoding/block_decoder.rs b/src/decoding/block_decoder.rs
index ed4962e..302268c 100644
--- a/src/decoding/block_decoder.rs
+++ b/src/decoding/block_decoder.rs
@@ -447,6 +447,9 @@ impl BlockDecoder {
             vprintln!("Executing sequences");
             execute_sequences(workspace)?;
         } else {
+            if !raw.is_empty() {
+                return Err(DecompressBlockError::DecodeSequenceError(DecodeSequenceError::ExtraBits { bits_remaining: raw.len() as isize * 8 }));
+            }
             workspace.buffer.push(&workspace.literals_buffer);
             workspace.sequences.clear();
         }