diff --git a/block/stream.c b/block/stream.c
index 06bc70a..b66242a 100644
--- a/block/stream.c
+++ b/block/stream.c
@@ -263,15 +263,15 @@
     block_job_complete(&s->common, ret);
 }
 
-static void stream_set_speed(BlockJob *job, int64_t value, Error **errp)
+static void stream_set_speed(BlockJob *job, int64_t speed, Error **errp)
 {
     StreamBlockJob *s = container_of(job, StreamBlockJob, common);
 
-    if (value < 0) {
-        error_set(errp, QERR_INVALID_PARAMETER, "value");
+    if (speed < 0) {
+        error_set(errp, QERR_INVALID_PARAMETER, "speed");
         return;
     }
-    ratelimit_set_speed(&s->limit, value / BDRV_SECTOR_SIZE);
+    ratelimit_set_speed(&s->limit, speed / BDRV_SECTOR_SIZE);
 }
 
 static BlockJobType stream_job_type = {