diff --git a/src/models.js b/src/models.js
index d5218bcf1..4d22e947a 100644
--- a/src/models.js
+++ b/src/models.js
@@ -1070,7 +1070,10 @@ export class PreTrainedModel extends Callable {
 
         } else { // should be MODEL_TYPES.EncoderOnly
             if (modelType !== MODEL_TYPES.EncoderOnly) {
-                console.warn(`Model type for '${modelName ?? config?.model_type}' not found, assuming encoder-only architecture. Please report this at ${GITHUB_ISSUE_URL}.`)
+                const type = modelName ?? config?.model_type;
+                if (type !== 'custom') {
+                    console.warn(`Model type for '${type}' not found, assuming encoder-only architecture. Please report this at ${GITHUB_ISSUE_URL}.`)
+                }
             }
             info = await Promise.all([
                 constructSessions(pretrained_model_name_or_path, {