diff --git a/modules/dnn/src/onnx/onnx_importer.cpp b/modules/dnn/src/onnx/onnx_importer.cpp
index 68769712ac..24e8b3f913 100644
--- a/modules/dnn/src/onnx/onnx_importer.cpp
+++ b/modules/dnn/src/onnx/onnx_importer.cpp
@@ -1385,13 +1385,19 @@ void ONNXImporter::parseSplit(LayerParams& layerParams, const opencv_onnx::NodeP
         CV_Assert(constBlobs.find(node_proto.input(1)) != constBlobs.end());
         Mat splitsBlob = getBlob(node_proto, 1);
         int splitSize = splitsBlob.total();
-
-        std::vector<int> slicePoints(splitSize - 1, splitsBlob.at<int>(0));
-        for (int i = 1; i < splitSize - 1; ++i)
+        if (splitSize == 1)
         {
-            slicePoints[i] = slicePoints[i - 1] + splitsBlob.at<int>(i);
+            layerParams.set("num_split", 1);
+        }
+        else
+        {
+            std::vector<int> slicePoints(splitSize - 1, splitsBlob.at<int>(0));
+            for (int i = 1; i < splitSize - 1; ++i)
+            {
+                slicePoints[i] = slicePoints[i - 1] + splitsBlob.at<int>(i);
+            }
+            layerParams.set("slice_point", DictValue::arrayInt(&slicePoints[0], slicePoints.size()));
         }
-        layerParams.set("slice_point", DictValue::arrayInt(&slicePoints[0], slicePoints.size()));
     }
     else
     {