diff --git a/auto_ts/__init__.py b/auto_ts/__init__.py
index a05d52d..3868b7d 100644
--- a/auto_ts/__init__.py
+++ b/auto_ts/__init__.py
@@ -545,6 +545,7 @@ def fit(
             model_build: Optional[BuildBase] = None
             model = None
             forecasts = None
+            forecasts_df_fold = None
             print(colorful.BOLD + '\nRunning Facebook Prophet Model...' + colorful.END)
             try:
                 #### If FB prophet needs to run, it needs to be installed. Check it here ###