diff --git a/core/storage/btree.rs b/core/storage/btree.rs
index f9426bd34..c9ba5f363 100644
--- a/core/storage/btree.rs
+++ b/core/storage/btree.rs
@@ -1362,8 +1362,8 @@ impl BTreeCursor {
                 let max = max_cell_idx.get();
                 if min > max {
                     if let Some(nearest_matching_cell) = nearest_matching_cell.get() {
-                        let left_child_page = contents
-                            .cell_table_interior_read_left_child_page(nearest_matching_cell)?;
+                        let left_child_page =
+                            contents.cell_interior_read_left_child_page(nearest_matching_cell);
                         self.stack.set_cell_index(nearest_matching_cell as i32);
                         let mem_page = self.read_page(left_child_page as usize)?;
                         self.stack.push(mem_page);
diff --git a/core/storage/sqlite3_ondisk.rs b/core/storage/sqlite3_ondisk.rs
index d9d330a0c..228eb8b6c 100644
--- a/core/storage/sqlite3_ondisk.rs
+++ b/core/storage/sqlite3_ondisk.rs
@@ -582,21 +582,24 @@ impl PageContent {
         Ok(rowid as i64)
     }
 
-    /// Read the left child page of a table interior cell.
+    /// Read the left child page of a table interior cell or an index interior cell.
     #[inline(always)]
-    pub fn cell_table_interior_read_left_child_page(&self, idx: usize) -> Result<u32> {
-        debug_assert!(self.page_type() == PageType::TableInterior);
+    pub fn cell_interior_read_left_child_page(&self, idx: usize) -> u32 {
+        debug_assert!(
+            self.page_type() == PageType::TableInterior
+                || self.page_type() == PageType::IndexInterior
+        );
         let buf = self.as_ptr();
         const INTERIOR_PAGE_HEADER_SIZE_BYTES: usize = 12;
         let cell_pointer_array_start = INTERIOR_PAGE_HEADER_SIZE_BYTES;
         let cell_pointer = cell_pointer_array_start + (idx * 2);
         let cell_pointer = self.read_u16(cell_pointer) as usize;
-        Ok(u32::from_be_bytes([
+        u32::from_be_bytes([
             buf[cell_pointer],
             buf[cell_pointer + 1],
             buf[cell_pointer + 2],
             buf[cell_pointer + 3],
-        ]))
+        ])
     }
 
     /// Read the rowid of a table leaf cell.