diff --git a/src/operators/kernel/arm/convolution/conv_common.cpp b/src/operators/kernel/arm/convolution/conv_common.cpp
index dabc4f9915aeebd8651bcf7195cdc844e002a324..86c6e8d3373f743f485e4a69599e8c8323ba0083 100644
--- a/src/operators/kernel/arm/convolution/conv_common.cpp
+++ b/src/operators/kernel/arm/convolution/conv_common.cpp
@@ -66,7 +66,7 @@ void InitBaseConvKernel(ConvParam<CPU> *param) {
       param->transformed_filter_ = new framework::LoDTensor;
       operators::math::winograd_transform_weight<8, 3>(
           *param->Filter(), param->transformed_filter_);
-    } else if (conv3x3 && !depth3x3 &&
+    } else if (conv3x3 && param->Groups() == 1 &&
                param->Strides()[0] == param->Strides()[1] &&
                param->Dilations()[0] == param->Dilations()[1] &&
                param->Strides()[0] == 1 && param->Dilations()[0] == 1
@@ -76,7 +76,7 @@ void InitBaseConvKernel(ConvParam<CPU> *param) {
 #endif
     ) {
       param->ExecMode() = ConvParam<CPU>::EXEC_SLIDINGWINDOW3x3S1_FLOAT;
-    } else if (conv3x3 && !depth3x3 &&
+    } else if (conv3x3 && param->Groups() == 1 &&
                param->Strides()[0] == param->Strides()[1] &&
                param->Dilations()[0] == param->Dilations()[1] &&
                param->Strides()[0] == 2 && param->Dilations()[0] == 1