diff --git a/drivers/staging/android/ion/ion_system_secure_heap.c b/drivers/staging/android/ion/ion_system_secure_heap.c
index 296a6557a8a1..5c0225cd4e24 100644
--- a/drivers/staging/android/ion/ion_system_secure_heap.c
+++ b/drivers/staging/android/ion/ion_system_secure_heap.c
@@ -264,7 +264,7 @@ static void ion_system_secure_heap_unmap_dma(struct ion_heap *heap,
 						struct ion_system_secure_heap,
 						heap);
 
-	secure_heap->sys_heap->ops->map_dma(secure_heap->sys_heap,
+	secure_heap->sys_heap->ops->unmap_dma(secure_heap->sys_heap,
 							buffer);
 }