diff --git a/src/common/serialization/vst3/base.cpp b/src/common/serialization/vst3/base.cpp
index 1756b8ac..0ba0ad31 100644
--- a/src/common/serialization/vst3/base.cpp
+++ b/src/common/serialization/vst3/base.cpp
@@ -229,11 +229,12 @@ tresult VectorStream::write_back(Steinberg::IBStream* stream) const {
 
     int32 num_bytes_written;
     assert(stream->seek(0, kIBSeekSet) == Steinberg::kResultOk);
-    assert(stream->write(const_cast<uint8_t*>(buffer.data()), buffer.size(),
-                         &num_bytes_written) == Steinberg::kResultOk);
-
-    assert(num_bytes_written == 0 ||
-           static_cast<size_t>(num_bytes_written) == buffer.size());
+    // When writing zero bytes, some hosts will return `kResultFalse`
+    if (stream->write(const_cast<uint8_t*>(buffer.data()), buffer.size(),
+                      &num_bytes_written) == Steinberg::kResultOk) {
+        assert(num_bytes_written == 0 ||
+               static_cast<size_t>(num_bytes_written) == buffer.size());
+    }
 
     return Steinberg::kResultOk;
 }