diff --git a/src/qemu/qemu_monitor.c b/src/qemu/qemu_monitor.c
index 4db12c512a..046caf001c 100644
--- a/src/qemu/qemu_monitor.c
+++ b/src/qemu/qemu_monitor.c
@@ -435,8 +435,8 @@ qemuMonitorIOProcess(qemuMonitorPtr mon)
 # endif
 #endif
 
-    PROBE(QEMU_MONITOR_IO_PROCESS,
-          "mon=%p buf=%s len=%zu", mon, mon->buffer, mon->bufferOffset);
+    PROBE_QUIET(QEMU_MONITOR_IO_PROCESS, "mon=%p buf=%s len=%zu",
+                mon, mon->buffer, mon->bufferOffset);
 
     if (mon->json)
         len = qemuMonitorJSONIOProcess(mon,
diff --git a/src/qemu/qemu_monitor_json.c b/src/qemu/qemu_monitor_json.c
index e45868b01f..ea1b8e1f5f 100644
--- a/src/qemu/qemu_monitor_json.c
+++ b/src/qemu/qemu_monitor_json.c
@@ -259,7 +259,10 @@ int qemuMonitorJSONIOProcess(qemuMonitorPtr mon,
         }
     }
 
+#if DEBUG_IO
     VIR_DEBUG("Total used %d bytes out of %zd available in buffer", used, len);
+#endif
+
     return used;
 }