diff --git a/virtio-devices/src/block.rs b/virtio-devices/src/block.rs
index bf7d9123c..0f6ca0882 100644
--- a/virtio-devices/src/block.rs
+++ b/virtio-devices/src/block.rs
@@ -186,6 +186,9 @@ impl BlockEpollHandler {
         }
 
         if request_type == RequestType::Out && disable_sector0_writes && request.sector == 0 {
+            warn!(
+                "Attempting to write to sector 0 on a raw disk without specifying image_type=raw"
+            );
             return Err(ExecuteError::ReadOnly);
         }