diff --git a/.changes/unreleased/Fixes-20250828-192402.yaml b/.changes/unreleased/Fixes-20250828-192402.yaml
new file mode 100644
index 00000000..ca89f3cc
--- /dev/null
+++ b/.changes/unreleased/Fixes-20250828-192402.yaml
@@ -0,0 +1,7 @@
+kind: Fixes
+body: Handle when model['config'] is null
+time: 2025-08-28T19:24:02.928502+01:00
+custom:
+    Author: mattiamatrix
+    Issue: ""
+    PR: "499"
diff --git a/dbt/include/trino/macros/adapters.sql b/dbt/include/trino/macros/adapters.sql
index cc680be5..a6eaac6b 100644
--- a/dbt/include/trino/macros/adapters.sql
+++ b/dbt/include/trino/macros/adapters.sql
@@ -161,7 +161,7 @@
 {%- endmacro -%}
 
 {% macro comment(comment) %}
-  {%- set persist_docs = model['config'].get('persist_docs') -%}
+  {%- set persist_docs = model.get('config', {}).get('persist_docs') -%}
   {%- if persist_docs -%}
     {%- set persist_relation = persist_docs.get('relation') -%}
     {%- if persist_relation and comment is not none and comment|length > 0 -%}