diff --git a/dnn/src/arm_common/elemwise/binary/algo.h b/dnn/src/arm_common/elemwise/binary/algo.h
index d270dddedddc065b575f007ba1f2746bb7367629..6daddc216f168db6f8c84182dee3f5751e6f2e86 100644
--- a/dnn/src/arm_common/elemwise/binary/algo.h
+++ b/dnn/src/arm_common/elemwise/binary/algo.h
@@ -11,7 +11,7 @@ namespace arm_common {
         }                                                                        \
         const char* name() const override {                                      \
             if (m_name.empty()) {                                                \
-                m_name = ssprintf("Elemwise::AlgoBinaryCase" #case);             \
+                m_name = ssprintf("Elemwise::AlgoBinaryCaseArmCommon" #case);    \
             }                                                                    \
             return m_name.c_str();                                               \
         }                                                                        \
diff --git a/dnn/src/fallback/elemwise/opr_impl.cpp b/dnn/src/fallback/elemwise/opr_impl.cpp
index 9af9b40bdfa16f4c0841dda5963b3050d32d4bcb..12276a794f6e8a44c6f8ebf9bc2c6c7580fd26bb 100644
--- a/dnn/src/fallback/elemwise/opr_impl.cpp
+++ b/dnn/src/fallback/elemwise/opr_impl.cpp
@@ -267,16 +267,6 @@ ElemwiseImpl::KernParam ElemwiseImpl::make_kern_param(ElemwiseImpl* opr) {
             return kern_param;
         }
 
-        if (is_vector(src0.layout) && is_broadcasted_3dim_like(src1.layout, binfo)) {
-            kern_param.broad_cast_type = BcastType::VEC_BCASTX0X;
-            return kern_param;
-        }
-
-        if (is_vector(src1.layout) && is_broadcasted_3dim_like(src0.layout, binfo)) {
-            kern_param.broad_cast_type = BcastType::BCASTX0X_VEC;
-            return kern_param;
-        }
-
         if (is_legal_layout_for_nhwc(src1.layout) &&
             is_NHWC_broadcasted_channel_like(src0.layout, binfo)) {
             kern_param.broad_cast_type = BcastType::BCAST111C_VEC;
@@ -302,6 +292,16 @@ ElemwiseImpl::KernParam ElemwiseImpl::make_kern_param(ElemwiseImpl* opr) {
             kern_param.broad_cast_type = BcastType::BCAST101xX_VEC;
             return kern_param;
         }
+
+        if (is_vector(src0.layout) && is_broadcasted_3dim_like(src1.layout, binfo)) {
+            kern_param.broad_cast_type = BcastType::VEC_BCASTX0X;
+            return kern_param;
+        }
+
+        if (is_vector(src1.layout) && is_broadcasted_3dim_like(src0.layout, binfo)) {
+            kern_param.broad_cast_type = BcastType::BCASTX0X_VEC;
+            return kern_param;
+        }
     } else if (opr->m_src->size() == 1) {
         kern_param.broad_cast_type = BcastType::VEC;
         kern_param.unary_elparam = opr->make_elemwise_op_param<1>();