diff --git a/core/storage/btree.rs b/core/storage/btree.rs
index 22ffacc28..06c18a0cd 100644
--- a/core/storage/btree.rs
+++ b/core/storage/btree.rs
@@ -408,7 +408,7 @@ pub struct BTreeCursor {
     /// Store whether the Cursor is in a valid state. Meaning if it is pointing to a valid cell index or not
     valid_state: CursorValidState,
     /// Colations for Index Btree constraint checks
-    /// Contains the Collation Seq for the whole Table
+    /// Contains the Collation Seq for the whole Index
     /// This Vec should be empty for Table Btree
     collations: Vec<CollationSeq>,
 }
diff --git a/core/vdbe/execute.rs b/core/vdbe/execute.rs
index a05a9f731..c3e7f328c 100644
--- a/core/vdbe/execute.rs
+++ b/core/vdbe/execute.rs
@@ -940,10 +940,17 @@ pub fn op_open_read(
                 .get_table(&index.table_name)
                 .map_or(None, |table| table.btree());
             let collations = table.map_or(Vec::new(), |table| {
-                table
-                    .column_collations()
-                    .into_iter()
-                    .map(|c| c.unwrap_or_default())
+                index
+                    .columns
+                    .iter()
+                    .map(|c| {
+                        table
+                            .columns
+                            .get(c.pos_in_table)
+                            .unwrap()
+                            .collation
+                            .unwrap_or_default()
+                    })
                     .collect()
             });
             let cursor = BTreeCursor::new_index(
@@ -4245,10 +4252,17 @@ pub fn op_open_write(
             .get_table(&index.table_name)
             .map_or(None, |table| table.btree());
         let collations = table.map_or(Vec::new(), |table| {
-            table
-                .column_collations()
-                .into_iter()
-                .map(|c| c.unwrap_or_default())
+            index
+                .columns
+                .iter()
+                .map(|c| {
+                    table
+                        .columns
+                        .get(c.pos_in_table)
+                        .unwrap()
+                        .collation
+                        .unwrap_or_default()
+                })
                 .collect()
         });
         let cursor = BTreeCursor::new_index(
diff --git a/testing/collate.test b/testing/collate.test
index 5760a82d1..468297d82 100755
--- a/testing/collate.test
+++ b/testing/collate.test
@@ -45,3 +45,8 @@ do_execsql_test_in_memory_any_error collate_unique_constraint {
     CREATE TABLE t(a TEXT COLLATE NOCASE PRIMARY KEY);
     INSERT INTO t VALUES ('lol'), ('LOL'), ('lOl');
 }
+
+do_execsql_test_in_memory_any_error collate_unique_constraint {
+    CREATE TABLE t(a TEXT COLLATE NOCASE PRIMARY KEY);
+    INSERT INTO t VALUES ('lol'), ('LOL'), ('lOl');
+}