diff --git a/apps/terminal/backends/command/serializers.py b/apps/terminal/backends/command/serializers.py
index 2eb9e434c..9c8484efb 100644
--- a/apps/terminal/backends/command/serializers.py
+++ b/apps/terminal/backends/command/serializers.py
@@ -36,7 +36,7 @@ class SessionCommandSerializer(SimpleSessionCommandSerializer):
     output = serializers.CharField(max_length=2048, allow_blank=True, label=_("Output"))
     risk_level_display = serializers.SerializerMethodField(label=_('Risk level display'))
     timestamp = serializers.IntegerField(label=_('Timestamp'))
-    timestamp_display = serializers.DateTimeField(label=_('Datetime'))
+    timestamp_display = serializers.DateTimeField(read_only=True, label=_('Datetime'))
     remote_addr = serializers.CharField(read_only=True, label=_('Remote Address'))
 
     @staticmethod