diff --git a/site/src/api/api.ts b/site/src/api/api.ts
index 210db89a29608..715665b77e3a5 100644
--- a/site/src/api/api.ts
+++ b/site/src/api/api.ts
@@ -977,7 +977,10 @@ const getMissingParameters = (
 ) => {
   const missingParameters: TypesGen.TemplateVersionParameter[] = []
   const requiredParameters = templateParameters.filter(
-    (p) => p.required && p.mutable,
+    // It is required
+    // and it can be changed
+    // and it is not from a legacy variable
+    (p) => p.required && p.mutable && p.legacy_variable_name === undefined,
   )
 
   for (const parameter of requiredParameters) {
diff --git a/site/src/pages/WorkspacePage/UpdateBuildParametersDialog.tsx b/site/src/pages/WorkspacePage/UpdateBuildParametersDialog.tsx
index bfb9d0fbfd5e6..c2025f51cfdbf 100644
--- a/site/src/pages/WorkspacePage/UpdateBuildParametersDialog.tsx
+++ b/site/src/pages/WorkspacePage/UpdateBuildParametersDialog.tsx
@@ -25,21 +25,22 @@ import { useTranslation } from "react-i18next"
 export type UpdateBuildParametersDialogProps = DialogProps & {
   onClose: () => void
   onUpdate: (buildParameters: WorkspaceBuildParameter[]) => void
-  parameters?: TemplateVersionParameter[]
+  missedParameters?: TemplateVersionParameter[]
 }
 
 export const UpdateBuildParametersDialog: FC<
   UpdateBuildParametersDialogProps
-> = ({ parameters, onUpdate, ...dialogProps }) => {
+> = ({ missedParameters, onUpdate, ...dialogProps }) => {
   const styles = useStyles()
   const form = useFormik({
     initialValues: {
-      rich_parameter_values: selectInitialRichParametersValues(parameters),
+      rich_parameter_values:
+        selectInitialRichParametersValues(missedParameters),
     },
     validationSchema: Yup.object({
       rich_parameter_values: useValidationSchemaForRichParameters(
         "createWorkspacePage",
-        parameters,
+        missedParameters,
       ),
     }),
     onSubmit: (values) => {
@@ -72,13 +73,9 @@ export const UpdateBuildParametersDialog: FC<
           onSubmit={form.handleSubmit}
           id="updateParameters"
         >
-          {parameters && parameters.filter((p) => p.mutable).length > 0 && (
+          {missedParameters && (
             <FormFields>
-              {parameters.map((parameter, index) => {
-                if (!parameter.mutable) {
-                  return <></>
-                }
-
+              {missedParameters.map((parameter, index) => {
                 return (
                   <RichParameterInput
                     {...getFieldHelpers(
diff --git a/site/src/pages/WorkspacePage/WorkspaceReadyPage.tsx b/site/src/pages/WorkspacePage/WorkspaceReadyPage.tsx
index f487ebdede725..88a614df0b234 100644
--- a/site/src/pages/WorkspacePage/WorkspaceReadyPage.tsx
+++ b/site/src/pages/WorkspacePage/WorkspaceReadyPage.tsx
@@ -52,7 +52,7 @@ export const WorkspaceReadyPage = ({
     cancellationError,
     applicationsHost,
     permissions,
-    missingParameters,
+    missedParameters,
   } = workspaceState.context
   if (workspace === undefined) {
     throw Error("Workspace is undefined")
@@ -140,7 +140,7 @@ export const WorkspaceReadyPage = ({
         }}
       />
       <UpdateBuildParametersDialog
-        parameters={missingParameters}
+        missedParameters={missedParameters}
         open={workspaceState.matches(
           "ready.build.askingForMissedBuildParameters",
         )}
diff --git a/site/src/xServices/workspace/workspaceXService.ts b/site/src/xServices/workspace/workspaceXService.ts
index 5787156821379..68ae122a150a9 100644
--- a/site/src/xServices/workspace/workspaceXService.ts
+++ b/site/src/xServices/workspace/workspaceXService.ts
@@ -62,7 +62,7 @@ export interface WorkspaceContext {
   // Builds
   builds?: TypesGen.WorkspaceBuild[]
   getBuildsError?: Error | unknown
-  missingParameters?: TypesGen.TemplateVersionParameter[]
+  missedParameters?: TypesGen.TemplateVersionParameter[]
   // error creating a new WorkspaceBuild
   buildError?: Error | unknown
   cancellationMessage?: Types.Message
@@ -302,7 +302,7 @@ export const workspaceMachine = createMachine(
                     {
                       target: "askingForMissedBuildParameters",
                       cond: "isMissingBuildParameterError",
-                      actions: ["assignMissingParameters"],
+                      actions: ["assignMissedParameters"],
                     },
                     {
                       target: "idle",
@@ -597,8 +597,8 @@ export const workspaceMachine = createMachine(
           }
         },
       }),
-      assignMissingParameters: assign({
-        missingParameters: (_, { data }) => {
+      assignMissedParameters: assign({
+        missedParameters: (_, { data }) => {
           if (!(data instanceof API.MissingBuildParameters)) {
             throw new Error("data is not a MissingBuildParameters error")
           }