diff --git a/src/web/html/visualization.html b/src/web/html/visualization.html
index 4c3c6a47..0fbbeeee 100644
--- a/src/web/html/visualization.html
+++ b/src/web/html/visualization.html
@@ -115,7 +115,7 @@
                                 numMid(obj.ch[0][1], "A", "Current"),
                                 numMid(obj.ch[0][3], "Hz", "Frequency"),
                                 numMid(obj.ch[0][9], "%", "Efficiency"),
-                                numMid(obj.ch[0][10], "var", "Reactive Power"),
+                                numMid(obj.ch[0][10], "VAr", "Reactive Power"),
                                 numMid(obj.ch[0][4], "", "Power Factor")
                             ])
                         ])