diff --git a/frontend/src/Components/Form/EnhancedSelectInput.js b/frontend/src/Components/Form/EnhancedSelectInput.js
index cc4215025..732e10f37 100644
--- a/frontend/src/Components/Form/EnhancedSelectInput.js
+++ b/frontend/src/Components/Form/EnhancedSelectInput.js
@@ -271,26 +271,29 @@ class EnhancedSelectInput extends Component {
     this.setState({ isOpen: !this.state.isOpen });
   };
 
-  onSelect = (value) => {
-    if (Array.isArray(this.props.value)) {
-      let newValue = null;
-      const index = this.props.value.indexOf(value);
+  onSelect = (newValue) => {
+    const { name, value, values, onChange } = this.props;
+
+    if (Array.isArray(value)) {
+      let arrayValue = null;
+      const index = value.indexOf(newValue);
+
       if (index === -1) {
-        newValue = this.props.values.map((v) => v.key).filter((v) => (v === value) || this.props.value.includes(v));
+        arrayValue = values.map((v) => v.key).filter((v) => (v === newValue) || value.includes(v));
       } else {
-        newValue = [...this.props.value];
-        newValue.splice(index, 1);
+        arrayValue = [...value];
+        arrayValue.splice(index, 1);
       }
-      this.props.onChange({
-        name: this.props.name,
-        value: newValue
+      onChange({
+        name,
+        value: arrayValue
       });
     } else {
       this.setState({ isOpen: false });
 
-      this.props.onChange({
-        name: this.props.name,
-        value
+      onChange({
+        name,
+        value: newValue
       });
     }
   };
@@ -485,7 +488,7 @@ class EnhancedSelectInput extends Component {
                             values.map((v, index) => {
                               const hasParent = v.parentKey !== undefined;
                               const depth = hasParent ? 1 : 0;
-                              const parentSelected = hasParent && value.includes(v.parentKey);
+                              const parentSelected = hasParent && Array.isArray(value) && value.includes(v.parentKey);
                               return (
                                 <OptionComponent
                                   key={v.key}
diff --git a/frontend/src/Components/Form/EnhancedSelectInputConnector.js b/frontend/src/Components/Form/EnhancedSelectInputConnector.js
index 3a4d8fdd3..15e2f5e6c 100644
--- a/frontend/src/Components/Form/EnhancedSelectInputConnector.js
+++ b/frontend/src/Components/Form/EnhancedSelectInputConnector.js
@@ -34,7 +34,8 @@ function getSelectOptions(items) {
       key: option.value,
       value: option.name,
       hint: option.hint,
-      parentKey: option.parentValue
+      parentKey: option.parentValue,
+      isDisabled: option.isDisabled
     };
   });
 }