diff --git a/arrow-array/src/ffi.rs b/arrow-array/src/ffi.rs
index 2ee2fd379ed8..83eaa3d6544a 100644
--- a/arrow-array/src/ffi.rs
+++ b/arrow-array/src/ffi.rs
@@ -525,7 +525,7 @@ impl ImportedArrowArray<'_> {
unsafe { create_buffer(self.owner.clone(), self.array, 0, buffer_len) }
}
- fn dictionary(&self) -> Result