diff --git a/mace/ops/eltwise.cc b/mace/ops/eltwise.cc
index 4166f4d11c9e5b4f4b97585f6e7b64716ecac1ae..8d1cae4bf7a656f55d5164044199146347f0ca1e 100644
--- a/mace/ops/eltwise.cc
+++ b/mace/ops/eltwise.cc
@@ -433,6 +433,7 @@ inline void TensorEltwise(const EltwiseType type,
           output[i] = std::pow(input0[i], input1[i]);
         }
       } else {
+#pragma omp parallel for schedule(runtime)
         for (index_t i = 0; i < size; ++i) {
           output[i] = std::pow(input1[i], input0[i]);
         }
@@ -552,6 +553,7 @@ inline void TensorScalarEltwise(const EltwiseType type,
           output[i] = std::pow(input0[i], input1);
         }
       } else {
+#pragma omp parallel for schedule(runtime)
         for (index_t i = 0; i < size; ++i) {
           output[i] = std::pow(input1, input0[i]);
         }