diff --git a/src/gallium/drivers/iris/iris_batch.c b/src/gallium/drivers/iris/iris_batch.c
index c3378a29e5a..4cb138cd8a8 100644
--- a/src/gallium/drivers/iris/iris_batch.c
+++ b/src/gallium/drivers/iris/iris_batch.c
@@ -750,6 +750,7 @@ update_bo_syncobjs(struct iris_batch *batch, struct iris_bo *bo, bool write)
    if (screen->id >= bo->deps_size) {
       int new_size = screen->id + 1;
       bo->deps = realloc(bo->deps, new_size * sizeof(bo->deps[0]));
+      assert(bo->deps);
       memset(&bo->deps[bo->deps_size], 0,
              sizeof(bo->deps[0]) * (new_size - bo->deps_size));