diff --git a/dashboard/windows-exporter-dashboard.json b/dashboard/windows-exporter-dashboard.json
index f44be6ef..4ab51d7e 100644
--- a/dashboard/windows-exporter-dashboard.json
+++ b/dashboard/windows-exporter-dashboard.json
@@ -1202,7 +1202,7 @@
                 "axisBorderShow": false,
                 "axisCenteredZero": false,
                 "axisColorMode": "text",
-                "axisLabel": "down　　　　up",
+                "axisLabel": "down up",
                 "axisPlacement": "auto",
                 "barAlignment": 0,
                 "barWidthFactor": 0.6,