diff --git a/apps/assets/automations/gather_facts/manager.py b/apps/assets/automations/gather_facts/manager.py
index 877ce811c..5ec25cb17 100644
--- a/apps/assets/automations/gather_facts/manager.py
+++ b/apps/assets/automations/gather_facts/manager.py
@@ -24,7 +24,7 @@ class GatherFactsManager(BasePlaybookManager):
         asset = self.host_asset_mapper.get(host)
         if asset and info:
             for k, v in info.items():
-                info[k] = v.strip()
+                info[k] = v.strip() if isinstance(v, str) else v
             asset.info = info
             asset.save()
         else:
diff --git a/apps/assets/serializers/asset/host.py b/apps/assets/serializers/asset/host.py
index dd8d3bc2f..10b06dc20 100644
--- a/apps/assets/serializers/asset/host.py
+++ b/apps/assets/serializers/asset/host.py
@@ -12,8 +12,7 @@ class HostInfoSerializer(serializers.Serializer):
     vendor = serializers.CharField(max_length=64, required=False, allow_blank=True, label=_('Vendor'))
     model = serializers.CharField(max_length=54, required=False, allow_blank=True,  label=_('Model'))
     sn = serializers.CharField(max_length=128, required=False, allow_blank=True,  label=_('Serial number'))
-
-    cpu_model = serializers.CharField(max_length=64, required=False, allow_blank=True, label=_('CPU model'))
+    cpu_model = serializers.ListField(child=serializers.CharField(max_length=64, allow_blank=True), required=False, label=_('CPU model'))
     cpu_count = serializers.IntegerField(required=False, label=_('CPU count'))
     cpu_cores = serializers.IntegerField(required=False, label=_('CPU cores'))
     cpu_vcpus = serializers.IntegerField(required=False, label=_('CPU vcpus'))