diff --git a/src/internal_modules/roc_sndio/target_sndfile/roc_sndio/sndfile_sink.h b/src/internal_modules/roc_sndio/target_sndfile/roc_sndio/sndfile_sink.h
index b41021dc5..4d587d625 100644
--- a/src/internal_modules/roc_sndio/target_sndfile/roc_sndio/sndfile_sink.h
+++ b/src/internal_modules/roc_sndio/target_sndfile/roc_sndio/sndfile_sink.h
@@ -89,7 +89,7 @@ class SndfileSink : public ISink, public core::NonCopyable<> {
     SF_INFO sf_info_out_;
 
     core::Array<audio::sample_t> buffer_;
-    sf_count_t buffer_size_;
+    size_t buffer_size_;
     core::nanoseconds_t frame_length_;
     audio::SampleSpec sample_spec_;