diff --git a/mmcv/ops/csrc/pytorch/nms_rotated.cpp b/mmcv/ops/csrc/pytorch/nms_rotated.cpp
index e4ef676a9d..b633983053 100644
--- a/mmcv/ops/csrc/pytorch/nms_rotated.cpp
+++ b/mmcv/ops/csrc/pytorch/nms_rotated.cpp
@@ -21,12 +21,12 @@ Tensor nms_rotated(const Tensor dets, const Tensor scores, const Tensor order,
   assert(dets.device().is_cuda() == scores.device().is_cuda());
   if (dets.device().is_cuda()) {
 #ifdef MMCV_WITH_CUDA
-    return nms_rotated_cuda(dets, scores, order, dets_sorted, iou_threshold,
-                            multi_label);
+    return nms_rotated_cuda(dets, scores, order, dets_sorted.contiguous(),
+                            iou_threshold, multi_label);
 #else
     AT_ERROR("Not compiled with GPU support");
 #endif
   }
 
-  return nms_rotated_cpu(dets, scores, iou_threshold);
+  return nms_rotated_cpu(dets.contiguous(), scores.contiguous(), iou_threshold);
 }