diff --git a/include/mxnet/c_api.h b/include/mxnet/c_api.h
index afdd666765a5..9bac3f773688 100644
--- a/include/mxnet/c_api.h
+++ b/include/mxnet/c_api.h
@@ -1058,7 +1058,7 @@ MXNET_DLL int MXSymbolGetAtomicSymbolName(AtomicSymbolCreator creator,
  * \param outs The input symbols of the graph.
  * \param out_size the number of input symbols returned.
  */
-MXNET_DLL int MXSymbolGetInputSymbols(SymbolHandle sym, SymbolHandle **inputs,
+MXNET_DLL int MXSymbolGetInputSymbols(SymbolHandle sym, SymbolHandle *inputs,
                                       int *input_size);
 
 /*!
diff --git a/python/mxnet/symbol/contrib.py b/python/mxnet/symbol/contrib.py
index c1a04a105d74..fd12c69af2b9 100644
--- a/python/mxnet/symbol/contrib.py
+++ b/python/mxnet/symbol/contrib.py
@@ -106,7 +106,7 @@ def _get_graph_inputs(subg):
 
     syms = []
     for i in range(num_handles.value):
-        s = Symbol(handles[i])
+        s = Symbol(SymbolHandle(handles[i]))
         syms.append(s)
     return syms
 
diff --git a/src/c_api/c_api_symbolic.cc b/src/c_api/c_api_symbolic.cc
index 61a111a5b0ff..6b53fc2083e9 100644
--- a/src/c_api/c_api_symbolic.cc
+++ b/src/c_api/c_api_symbolic.cc
@@ -344,7 +344,7 @@ int MXSymbolGetAtomicSymbolName(AtomicSymbolCreator creator,
   API_END();
 }
 
-int MXSymbolGetInputSymbols(SymbolHandle sym, SymbolHandle **input_arr, int *input_size) {
+int MXSymbolGetInputSymbols(SymbolHandle sym, SymbolHandle *input_arr, int *input_size) {
   API_BEGIN();
   nnvm::Symbol *s = static_cast<nnvm::Symbol*>(sym);
   nnvm::Graph g;
@@ -366,7 +366,7 @@ int MXSymbolGetInputSymbols(SymbolHandle sym, SymbolHandle **input_arr, int *inp
   }
   CHECK(input_syms.size() <= max_input_size);
   *input_size = input_syms.size();
-  memcpy(input_arr, input_syms.data(), sizeof(*input_arr) * input_syms.size());
+  std::copy(input_syms.begin(), input_syms.end(), input_arr);
   API_END_HANDLE_ERROR();
 }