diff --git a/web/src/core/usecases/launcher/decoupledLogic/computeHelmValues.ts b/web/src/core/usecases/launcher/decoupledLogic/computeHelmValues.ts
index 8b603e955..ef01c5ee8 100644
--- a/web/src/core/usecases/launcher/decoupledLogic/computeHelmValues.ts
+++ b/web/src/core/usecases/launcher/decoupledLogic/computeHelmValues.ts
@@ -133,6 +133,13 @@ export function computeHelmValues_rec(params: {
             break use_x_onyxia_overwriteDefaultWith;
         }
 
+        if (
+            helmValuesSchema.type === "object" &&
+            helmValuesSchema.properties !== undefined
+        ) {
+            break use_x_onyxia_overwriteDefaultWith;
+        }
+
         const resolvedValue = resolveXOnyxiaValueReference({
             expression: overwriteDefaultWith,
             xOnyxiaContext
@@ -165,6 +172,13 @@ export function computeHelmValues_rec(params: {
             break use_default;
         }
 
+        if (
+            helmValuesSchema.type === "object" &&
+            helmValuesSchema.properties !== undefined
+        ) {
+            break use_default;
+        }
+
         const { isValid } = validateValueAgainstJSONSchema({
             helmValuesSchema,
             xOnyxiaContext,