diff --git a/src/components/feature_type/FeatureTypeCustomForm.vue b/src/components/feature_type/FeatureTypeCustomForm.vue
index 08b77649d2cd65edd15cbf2ce4d6c09e5c107ead..27c3828fc60bdf73e6aa76c7a1fee99fb486e50d 100644
--- a/src/components/feature_type/FeatureTypeCustomForm.vue
+++ b/src/components/feature_type/FeatureTypeCustomForm.vue
@@ -231,13 +231,8 @@ export default {
       },
       // * create an array, because backend expects an array
       set(newValue) {
-        this.form.options.errors = [];
         this.form.options.value = this.trimWhiteSpace(newValue).split(",");
-        if (this.hasDuplicates(this.form.options.value)) {
-          this.form.options.errors = [
-            "Veuillez saisir des valeurs différentes",
-          ];
-        } else {
+        if (!this.hasDuplicateOptions()) {
           this.updateStore();
         }
       },
@@ -245,8 +240,16 @@ export default {
   },
 
   methods: {
-    hasDuplicates(array) {
-      return new Set(array).size !== array.length;
+    hasDuplicateOptions() {
+      this.form.options.errors = [];
+      const isDup =
+        new Set(this.form.options.value).size !==
+        this.form.options.value.length;
+      if (isDup) {
+        this.form.options.errors = ["Veuillez saisir des valeurs différentes"];
+        return true;
+      }
+      return false;
     },
     fillCustomFormData(customFormData) {
       for (let el in customFormData) {
@@ -300,15 +303,24 @@ export default {
       return occurences.length === 1;
     },
 
+    checkFilledOptions() {
+      if (this.form.field_type.value === "list") {
+        if (this.form.options.value.length < 1) {
+          return false;
+        } else if (
+          this.form.options.value.length === 1 &&
+          this.form.options.value[0] === ""
+        ) {
+          return false;
+        }
+      }
+      return true;
+    },
+
     checkCustomForm() {
       this.form.label.errors = [];
       this.form.name.errors = [];
       this.form.options.errors = [];
-      console.log(
-        this.form.field_type.value,
-        this.form.field_type.value === "list",
-        this.form.options.value.length < 2
-      );
       if (!this.form.label.value) {
         //* vérifier que le label est renseigné
         this.form.label.errors = ["Veuillez compléter ce champ."];
@@ -329,13 +341,13 @@ export default {
           "Les champs personnalisés ne peuvent pas avoir des noms similaires.",
         ];
         return false;
-      } else if (
-        this.form.field_type.value === "list" &&
-        this.form.options.value.length < 2
-      ) {
+      } else if (!this.checkFilledOptions()) {
         //* s'il s'agit d'un type liste, vérifier que le champ option est bien renseigné
         this.form.options.errors = ["Veuillez compléter ce champ."];
         return false;
+      } else if (this.hasDuplicateOptions()) {
+        //* pour le cas d'options dupliqués
+        return false;
       }
       return true;
     },