diff --git a/examples/nllb/laser_distillation/laser_distillation_task.py b/examples/nllb/laser_distillation/laser_distillation_task.py
index 62ea67aa26..d8190b18d6 100644
--- a/examples/nllb/laser_distillation/laser_distillation_task.py
+++ b/examples/nllb/laser_distillation/laser_distillation_task.py
@@ -226,6 +226,8 @@ def __init__(self, args, config, src_dictionary, tgt_dictionary, num_tasks):
 
     @classmethod
     def setup_task(cls, args, **kwargs):
+        import pdb
+        pdb.set_trace()
         config = json.load(open(args.configfile))
         num_tasks = max([dataset["id"] for dataset in config["train"]]) + 1
 
diff --git a/fairseq/data/dictionary.py b/fairseq/data/dictionary.py
index abf6c75c0f..d45f707574 100644
--- a/fairseq/data/dictionary.py
+++ b/fairseq/data/dictionary.py
@@ -126,7 +126,7 @@ def unk_string(self, escape=False):
 
     def add_symbol(self, word, n=1, overwrite=False):
         """Adds a word to the dictionary"""
-        if word in self.indices and not overwrite:
+        if word in self.indices and overwrite:
             idx = self.indices[word]
             self.count[idx] = self.count[idx] + n
             return idx
@@ -251,6 +251,7 @@ def add_from_file(self, f):
 
         for line in lines[indices_start_line:]:
             try:
+                
                 line, field = line.rstrip().rsplit(" ", 1)
                 if field == "#fairseq:overwrite":
                     overwrite = True