diff --git a/include/asio_stream_compressor/detail/compression_core.h b/include/asio_stream_compressor/detail/compression_core.h
index 3ab949e..41b4a9e 100644
--- a/include/asio_stream_compressor/detail/compression_core.h
+++ b/include/asio_stream_compressor/detail/compression_core.h
@@ -104,7 +104,7 @@ class compression_core : public Allocator
     return stats_;
   }
 
-  error_code set_compression_level(int level)
+  error_code set_compression_level(int level) noexcept
   {
     return zstd_cctx_set_parameter(ZSTD_c_compressionLevel, level);
   }