diff --git a/paddle/fluid/framework/ir/conv_elementwise_add_mkldnn_fuse_pass_tester.cc b/paddle/fluid/framework/ir/conv_elementwise_add_mkldnn_fuse_pass_tester.cc
index ce79a465ca7e8d9671ed85c42b971ef9383a4af9..08c3b23cf30d072035997b3027df15a9bea28e9c 100644
--- a/paddle/fluid/framework/ir/conv_elementwise_add_mkldnn_fuse_pass_tester.cc
+++ b/paddle/fluid/framework/ir/conv_elementwise_add_mkldnn_fuse_pass_tester.cc
@@ -204,7 +204,7 @@ TEST(ConvElementwiseAddMKLDNNFusePass, SigmoidConvolutionAddElementwiseRelu) {
              {"a", "b", "bias", "weights", "c", "d", "e", "f"})) {
       auto* var = prog.MutableBlock(0)->Var(v);
       var->SetType(proto::VarType::LOD_TENSOR);
-      if (v.find("weights")) {
+      if (v.find("weights") || v.find("bias")) {
         var->SetPersistable(true);
       }
     }