diff --git a/src/components/user/user-detail-editor/YourInfoSection.tsx b/src/components/user/user-detail-editor/YourInfoSection.tsx
index 8093bdd..b71e90e 100644
--- a/src/components/user/user-detail-editor/YourInfoSection.tsx
+++ b/src/components/user/user-detail-editor/YourInfoSection.tsx
@@ -48,7 +48,7 @@ const YourInfoSection = ({
         autoComplete="name"
         fullWidth
         id="name"
-        label="Navn"
+        label="Fullt navn"
         error={!!errors.name}
         {...register("name", fieldValidators.name)}
       />
diff --git a/src/components/user/user-detail-editor/fieldValidators.ts b/src/components/user/user-detail-editor/fieldValidators.ts
index 053851c..03f2345 100644
--- a/src/components/user/user-detail-editor/fieldValidators.ts
+++ b/src/components/user/user-detail-editor/fieldValidators.ts
@@ -23,7 +23,11 @@ export const fieldValidators: {
     },
   },
   name: {
-    required: "Du må fylle inn navn",
+    required: "Du må fylle inn ditt fulle navn",
+    validate: (v: string) =>
+      v.split(" ").length > 1
+        ? true
+        : "Du må fylle inn både fornavn og etternavn",
   },
   phoneNumber: {
     required: "Du må fylle inn telefonnummer",