diff --git a/vm/devices/storage/disk_striped/src/lib.rs b/vm/devices/storage/disk_striped/src/lib.rs
index e37dc57e74..1b00f4c5c5 100644
--- a/vm/devices/storage/disk_striped/src/lib.rs
+++ b/vm/devices/storage/disk_striped/src/lib.rs
@@ -250,7 +250,9 @@ impl StripedDisk {
         let sector_size = devices[0].sector_size();
         let sector_count = devices[0].sector_count();
         let read_only = devices[0].is_read_only();
-        let chunk_size_in_bytes = chunk_size_in_bytes.unwrap_or(CHUNK_SIZE_128K);
+        let chunk_size_in_bytes = chunk_size_in_bytes
+            .filter(|&chunk_size| chunk_size != 0)
+            .unwrap_or(CHUNK_SIZE_128K);
         if !chunk_size_in_bytes.is_multiple_of(sector_size) {
             return Err(NewDeviceError::InvalidChunkSize(
                 chunk_size_in_bytes,