diff --git a/posthog/hogql/ast.py b/posthog/hogql/ast.py
index 70d6163934de6..806226b8f1b9e 100644
--- a/posthog/hogql/ast.py
+++ b/posthog/hogql/ast.py
@@ -46,11 +46,15 @@ def resolve_constant_type(self, context: HogQLContext):
     def resolve_database_field(self, context: HogQLContext):
         if isinstance(self.type, FieldType):
             return self.type.resolve_database_field(context)
+        if isinstance(self.type, PropertyType):
+            return self.type.field_type.resolve_database_field(context)
         raise NotImplementedException("FieldAliasType.resolve_database_field not implemented")
 
     def resolve_table_type(self, context: HogQLContext):
         if isinstance(self.type, FieldType):
             return self.type.table_type
+        if isinstance(self.type, PropertyType):
+            return self.type.field_type.table_type
         raise NotImplementedException("FieldAliasType.resolve_table_type not implemented")
 
 
diff --git a/posthog/hogql/database/schema/util/session_where_clause_extractor.py b/posthog/hogql/database/schema/util/session_where_clause_extractor.py
index cc02cfeb8b78c..a36dbfa8d0606 100644
--- a/posthog/hogql/database/schema/util/session_where_clause_extractor.py
+++ b/posthog/hogql/database/schema/util/session_where_clause_extractor.py
@@ -350,9 +350,11 @@ def visit_alias(self, node: ast.Alias) -> bool:
 
         if node.type and isinstance(node.type, ast.FieldAliasType):
             resolved_field = node.type.resolve_database_field(self.context)
-            table = node.type.resolve_table_type(self.context).table
-            return (isinstance(table, EventsTable) and resolved_field.name == "timestamp") or (
-                isinstance(table, SessionsTable) and resolved_field.name == "min_timestamp"
+            table_type = node.type.resolve_table_type(self.context)
+            if not table_type or not isinstance(table_type, ast.TableType):
+                return False
+            return (isinstance(table_type.table, EventsTable) and resolved_field.name == "timestamp") or (
+                isinstance(table_type.table, SessionsTable) and resolved_field.name == "min_timestamp"
             )
 
         return self.visit(node.expr)