diff --git a/src/Settings/FlyView.SettingsGroup.json b/src/Settings/FlyView.SettingsGroup.json
index fba0b87ef456..528ebca13c93 100644
--- a/src/Settings/FlyView.SettingsGroup.json
+++ b/src/Settings/FlyView.SettingsGroup.json
@@ -6,7 +6,7 @@
             "name": "guidedMinimumAltitude",
             "shortDesc": "Minimum altitude allowed for guided mode actions like takeoff and altitude changes.",
             "type": "double",
-            "units": "m",
+            "units": "vertical m",
             "default": 2,
             "label": "Minimum Altitude",
             "keywords": "altitude,guided,minimum"
@@ -15,7 +15,7 @@
             "name": "guidedMaximumAltitude",
             "shortDesc": "Maximum altitude allowed for guided mode actions like takeoff and altitude changes.",
             "type": "double",
-            "units": "m",
+            "units": "vertical m",
             "default": 121.92,
             "label": "Maximum Altitude",
             "keywords": "altitude,guided,maximum"
diff --git a/src/Vehicle/FactGroups/VehicleFact.json b/src/Vehicle/FactGroups/VehicleFact.json
index 8ea628646797..5cfbb4d652fc 100644
--- a/src/Vehicle/FactGroups/VehicleFact.json
+++ b/src/Vehicle/FactGroups/VehicleFact.json
@@ -71,21 +71,21 @@
     "shortDesc": "Alt (Rel)",
     "type":             "double",
     "decimalPlaces":    1,
-    "units":            "m"
+    "units":            "vertical m"
 },
 {
     "name":             "altitudeAMSL",
     "shortDesc": "Alt (AMSL)",
     "type":             "double",
     "decimalPlaces":    1,
-    "units":            "m"
+    "units":            "vertical m"
 },
 {
     "name":             "altitudeAboveTerr",
     "shortDesc": "Alt (Above Terrain)",
     "type":             "double",
     "decimalPlaces":    1,
-    "units":            "m"
+    "units":            "vertical m"
 },
 {
     "name":             "flightDistance",