diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index 88fed477e2b0..4847a8f8fac8 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -743,12 +743,13 @@ bool io_cqe_cache_refill(struct io_ring_ctx *ctx, bool overflow, bool cqe32)
 	free = ctx->cq_entries - io_cqring_queued(ctx);
 	/* we need a contiguous range, limit based on the current array offset */
 	len = min(free, ctx->cq_entries - off);
-	if (len < (cqe32 + 1))
-		return false;
-
 	if (ctx->flags & IORING_SETUP_CQE32) {
+		if (!len)
+			return false;
 		off <<= 1;
 		len <<= 1;
+	} else if (len < (cqe32 + 1)) {
+		return false;
 	}
 
 	ctx->cqe_cached = &rings->cqes[off];