diff --git a/application/src/main/data/json/system/scada_symbols/vertical-ball-valve.svg b/application/src/main/data/json/system/scada_symbols/vertical-ball-valve.svg
index 3aee266486..f284c7f86d 100644
--- a/application/src/main/data/json/system/scada_symbols/vertical-ball-valve.svg
+++ b/application/src/main/data/json/system/scada_symbols/vertical-ball-valve.svg
@@ -93,7 +93,7 @@
         },
         "valueToData": {
           "type": "CONSTANT",
-          "constantValue": false,
+          "constantValue": true,
           "valueToDataFunction": "/* Convert input boolean value to RPC parameters or attribute/time-series value */\nreturn value;"
         }
       },
@@ -127,7 +127,7 @@
         },
         "valueToData": {
           "type": "CONSTANT",
-          "constantValue": true,
+          "constantValue": false,
           "valueToDataFunction": "/* Convert input boolean value to RPC parameters or attribute/time-series value */\nreturn value;"
         }
       },