diff --git a/minpy/array_variants/mxnet/mxnet_core.py b/minpy/array_variants/mxnet/mxnet_core.py
index 6716d74..49343d6 100644
--- a/minpy/array_variants/mxnet/mxnet_core.py
+++ b/minpy/array_variants/mxnet/mxnet_core.py
@@ -112,6 +112,10 @@ def def_grads(prims):
     prims('dot').def_grad(lambda ans, a, b: lambda g: mx.nd.dot(g, b, transpose_b=True))
     prims('dot').def_grad(
         lambda ans, a, b: lambda g: mx.nd.dot(a, g, transpose_a=True), argnum=1)
+    # batch_dot
+    prims('batch_dot').def_grad(lambda ans, a, b: lambda g: mx.nd.batch_dot(g, b, transpose_b=True))
+    prims('batch_dot').def_grad(
+        lambda ans, a, b: lambda g: mx.nd.batch_dot(a, g, transpose_a=True), argnum=1)
     # non-linear
     prims('tanh').def_grad(lambda ans, x: lambda g: g * (1 - ans ** 2))
     prims('exp').def_grad(lambda ans, x: lambda g: g * ans)