diff --git a/dnn/src/fallback/convolution/algos.cpp b/dnn/src/fallback/convolution/algos.cpp
index 2e87a358..9f39f62c 100644
--- a/dnn/src/fallback/convolution/algos.cpp
+++ b/dnn/src/fallback/convolution/algos.cpp
@@ -509,7 +509,7 @@ ConvolutionBackwardDataImpl::AlgoNaive::dispatch_kern(
             param.filter_type.enumv() == DTypeTrait<dt_src>::enumv && \
             param.grad_type.enumv() == DTypeTrait<dt_dst>::enumv) {   \
             MIDOUT_BEGIN(megdnn_fallback_deconv,                      \
-                         midout_iv(DTypeTrait<_dt>::enumv)) {         \
+                         midout_iv(DTypeTrait<dt_src>::enumv)) {      \
                 return kern_naive<DTypeTrait<dt_src>::ctype,          \
                                   DTypeTrait<dt_src>::ctype,          \
                                   DTypeTrait<dt_dst>::ctype>;         \
diff --git a/dnn/src/naive/dct/opr_impl.cpp b/dnn/src/naive/dct/opr_impl.cpp
index eb986fd5..3b93305c 100644
--- a/dnn/src/naive/dct/opr_impl.cpp
+++ b/dnn/src/naive/dct/opr_impl.cpp
@@ -9,13 +9,14 @@
  * "AS IS" BASIS, WITHOUT ARRANTIES OR CONDITIONS OF ANY KIND, either express or
  * implied.
  */
+#include "src/naive/dct/opr_impl.h"
 #include <cmath>
 #include "megdnn/basic_types.h"
 #include "megdnn/dtype.h"
-#include "midout.h"
-#include "src/naive/dct/opr_impl.h"
 #include "src/naive/handle.h"
 #include "src/naive/matrix_mul/matrix_mul_helper.h"
+
+#include "midout.h"
 MIDOUT_DECL(megdnn_naive_dct_fwd)
 namespace megdnn {
 namespace naive {