diff --git a/schemas/pid.json b/schemas/pid.json
index 23ed1a1..2db98c7 100644
--- a/schemas/pid.json
+++ b/schemas/pid.json
@@ -43,6 +43,9 @@
                 "Name": {
                     "type": "string"
                 },
+                "NegativeHysteresis": {
+                    "type": "number"
+                },
                 "OutLimitMax": {
                     "type": "number"
                 },
@@ -58,6 +61,9 @@
                 "PCoefficient": {
                     "type": "number"
                 },
+                "PositiveHysteresis": {
+                    "type": "number"
+                },
                 "Profiles": {
                     "type": "array",
                     "items": {