diff --git a/editor.planx.uk/src/@planx/components/NumberInput/Editor.tsx b/editor.planx.uk/src/@planx/components/NumberInput/Editor.tsx
index 8daf569c78..446462fcbc 100644
--- a/editor.planx.uk/src/@planx/components/NumberInput/Editor.tsx
+++ b/editor.planx.uk/src/@planx/components/NumberInput/Editor.tsx
@@ -92,12 +92,9 @@ export default function NumberInputComponent(props: Props): FCReturn {
             <FormControlLabel
               control={
                 <Switch
-                  checked={formik.values.onlyWholeNumbers}
+                  checked={formik.values.isInteger}
                   onChange={() =>
-                    formik.setFieldValue(
-                      "onlyWholeNumbers",
-                      !formik.values.onlyWholeNumbers,
-                    )
+                    formik.setFieldValue("isInteger", !formik.values.isInteger)
                   }
                 />
               }
diff --git a/editor.planx.uk/src/@planx/components/NumberInput/Public.test.tsx b/editor.planx.uk/src/@planx/components/NumberInput/Public.test.tsx
index 0d4bbbfe41..838a96ea03 100644
--- a/editor.planx.uk/src/@planx/components/NumberInput/Public.test.tsx
+++ b/editor.planx.uk/src/@planx/components/NumberInput/Public.test.tsx
@@ -92,7 +92,7 @@ test("a clear error is shown if decimal value added when onlyWholeNumbers is tog
       fn="fahrenheit"
       title="What's the temperature?"
       handleSubmit={handleSubmit}
-      onlyWholeNumbers={true}
+      isInteger={true}
     />,
   );
 
@@ -117,7 +117,7 @@ test("allows only whole numbers to be submitted when toggled on by editor", asyn
       fn="fahrenheit"
       title="What's the temperature?"
       handleSubmit={handleSubmit}
-      onlyWholeNumbers={true}
+      isInteger={true}
     />,
   );
 
diff --git a/editor.planx.uk/src/@planx/components/NumberInput/model.ts b/editor.planx.uk/src/@planx/components/NumberInput/model.ts
index 6913676743..686d483d4b 100644
--- a/editor.planx.uk/src/@planx/components/NumberInput/model.ts
+++ b/editor.planx.uk/src/@planx/components/NumberInput/model.ts
@@ -8,7 +8,7 @@ export interface NumberInput extends BaseNodeData {
   fn?: string;
   units?: string;
   allowNegatives?: boolean;
-  onlyWholeNumbers?: boolean;
+  isInteger?: boolean;
 }
 
 export type UserData = number;
@@ -29,7 +29,7 @@ export const parseNumberInput = (
   fn: data?.fn || "",
   units: data?.units,
   allowNegatives: data?.allowNegatives || false,
-  onlyWholeNumbers: data?.onlyWholeNumbers || false,
+  isInteger: data?.isInteger || false,
   ...parseBaseNodeData(data),
 });
 
@@ -62,7 +62,7 @@ export const numberInputValidationSchema = (input: NumberInput) =>
         if (!value) {
           return false;
         }
-        if (input.onlyWholeNumbers && !Number.isInteger(Number(value))) {
+        if (input.isInteger && !Number.isInteger(Number(value))) {
           return false;
         }
         return true;