diff --git a/src/qemu/qemu_monitor_json.c b/src/qemu/qemu_monitor_json.c
index 0db7cc472106fc1331b15f75393f0176417de3b2..bef869a7a94cae727a1e992b9140eab62b8d3343 100644
--- a/src/qemu/qemu_monitor_json.c
+++ b/src/qemu/qemu_monitor_json.c
@@ -3677,7 +3677,7 @@ qemuMonitorJSONBlockIoThrottleInfo(virJSONValuePtr result,
             goto cleanup;
         }
 
-        if (STREQ(current_dev, device))
+        if (STRNEQ(current_dev, device))
             continue;
 
         found = true;