diff --git a/infra/db/init/22_case_profile_multi_case.sql b/infra/db/init/22_case_profile_multi_case.sql
index ec9074f..8386660 100644
--- a/infra/db/init/22_case_profile_multi_case.sql
+++ b/infra/db/init/22_case_profile_multi_case.sql
@@ -24,7 +24,7 @@ BEGIN
     WHERE constraint_meta.conrelid = 'app.case_profile'::regclass
       AND constraint_meta.contype = 'u'
       AND ARRAY(
-        SELECT attribute_meta.attname
+        SELECT attribute_meta.attname::text
         FROM unnest(constraint_meta.conkey) WITH ORDINALITY AS key_column(attnum, ordinality)
         JOIN pg_attribute AS attribute_meta
           ON attribute_meta.attrelid = constraint_meta.conrelid
@@ -87,7 +87,7 @@ BEGIN
     WHERE constraint_meta.conrelid = 'app.case_profile'::regclass
       AND constraint_meta.contype = 'u'
       AND ARRAY(
-        SELECT attribute_meta.attname
+        SELECT attribute_meta.attname::text
         FROM unnest(constraint_meta.conkey) WITH ORDINALITY AS key_column(attnum, ordinality)
         JOIN pg_attribute AS attribute_meta
           ON attribute_meta.attrelid = constraint_meta.conrelid
@@ -114,7 +114,7 @@ BEGIN
     WHERE constraint_meta.conrelid = 'app.case_profile'::regclass
       AND constraint_meta.contype = 'u'
       AND ARRAY(
-        SELECT attribute_meta.attname
+        SELECT attribute_meta.attname::text
         FROM unnest(constraint_meta.conkey) WITH ORDINALITY AS key_column(attnum, ordinality)
         JOIN pg_attribute AS attribute_meta
           ON attribute_meta.attrelid = constraint_meta.conrelid