diff --git a/.changes/unreleased/Fixes-20240425-133610.yaml b/.changes/unreleased/Fixes-20240425-133610.yaml
new file mode 100644
index 00000000..5d9689f6
--- /dev/null
+++ b/.changes/unreleased/Fixes-20240425-133610.yaml
@@ -0,0 +1,6 @@
+kind: Fixes
+body: Fix is_replaceable check with wrong variable
+time: 2024-04-25T13:36:10.684598+08:00
+custom:
+  Author: rongfengliang
+  Issue: "187"
diff --git a/dbt/adapters/contracts/connection.py b/dbt/adapters/contracts/connection.py
index e3baf284..f3c4647a 100644
--- a/dbt/adapters/contracts/connection.py
+++ b/dbt/adapters/contracts/connection.py
@@ -226,3 +226,4 @@ class AdapterRequiredConfig(HasCredentials, Protocol):
     cli_vars: Dict[str, Any]
     target_path: str
     log_cache_events: bool
+    catalogs = Optional[ExternalCatalogConfig]
diff --git a/dbt/include/global_project/macros/relations/replace.sql b/dbt/include/global_project/macros/relations/replace.sql
index adba77dc..2ba856df 100644
--- a/dbt/include/global_project/macros/relations/replace.sql
+++ b/dbt/include/global_project/macros/relations/replace.sql
@@ -8,7 +8,7 @@
 
     {# /* use a create or replace statement if possible */ #}
 
-    {% set is_replaceable = existing_relation.type == target_relation_type and existing_relation.can_be_replaced %}
+    {% set is_replaceable = existing_relation.type == target_relation.type and existing_relation.can_be_replaced %}
 
     {% if is_replaceable and existing_relation.is_view %}
         {{ get_replace_view_sql(target_relation, sql) }}