diff --git a/modules/tortoise-tts b/modules/tortoise-tts
index fec0685..97cd58e 160000
--- a/modules/tortoise-tts
+++ b/modules/tortoise-tts
@@ -1 +1 @@
-Subproject commit fec068540543522d1db94285818ec1c26d6bb0ef
+Subproject commit 97cd58e7eba06b91fc6b0c77029ad72022b8c231
diff --git a/src/utils.py b/src/utils.py
index d3af4e4..0b2aa77 100755
--- a/src/utils.py
+++ b/src/utils.py
@@ -879,6 +879,8 @@ class TrainingState():
 			elif line.find('INFO: Validation Metrics:') >= 0:
 				data = json.loads(line.split("INFO: Validation Metrics:")[-1])
 				data['mode'] = "validation"
+			else:
+				data = None
 
 			if data is not None:
 				if ': nan' in line and not self.nan_detected: