diff --git a/CHANGELOG.md b/CHANGELOG.md
index dd08c0b0..4b440b4c 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -4,6 +4,12 @@ The format is based on [Keep a Changelog](http://keepachangelog.com/en/1.0.0/)
 and this project adheres to [Semantic
 Versioning](http://semver.org/spec/v2.0.0.html).
 
+## Unreleased
+
+### Fixed
+
+- Do not treat columns with partial unique indexes as unique in psql driver.
+
 ## [4.19.1] - 2025-05-20
 
 ### Fixed
diff --git a/drivers/sqlboiler-psql/driver/psql.go b/drivers/sqlboiler-psql/driver/psql.go
index 32df1758..2b579565 100644
--- a/drivers/sqlboiler-psql/driver/psql.go
+++ b/drivers/sqlboiler-psql/driver/psql.go
@@ -365,7 +365,7 @@ method_b as (
     inner join pg_class pgc on pgix.indexname = pgc.relname and pgc.relkind = 'i' and pgc.relnatts = 1
     inner join pg_index pgi on pgi.indexrelid = pgc.oid
     inner join pg_attribute pga on pga.attrelid = pgi.indrelid and pga.attnum = ANY(pgi.indkey)
-    where pgi.indisunique = true
+    where pgi.indisunique = true and pgi.indpred is null
 ),
 results as (
     select * from method_a