diff --git a/paddle/fluid/framework/ir/conv_bn_fuse_pass_tester.cc b/paddle/fluid/framework/ir/conv_bn_fuse_pass_tester.cc
index 324f707af1ec5d9e1a9a6fcc2d4704026e84df2c..021d372c2c89aa64863b8731430360e923285720 100644
--- a/paddle/fluid/framework/ir/conv_bn_fuse_pass_tester.cc
+++ b/paddle/fluid/framework/ir/conv_bn_fuse_pass_tester.cc
@@ -32,7 +32,11 @@ void AddVarToScope(Scope* param_scope,
                    const DDim& dims) {
   auto* tensor = param_scope->Var(name)->GetMutable<phi::DenseTensor>();
   tensor->Resize(dims);
-  tensor->mutable_data<float>(platform::CPUPlace());
+  auto* data = tensor->mutable_data<float>(platform::CPUPlace());
+  int64_t numel = tensor->numel();
+  for (int64_t i = 0; i < numel; ++i) {
+    data[i] = 0;
+  }
 }
 
 Scope* CreateParamScope() {