diff --git a/RpcView/RpcView.cpp b/RpcView/RpcView.cpp
index 43775d8..e6d997b 100644
--- a/RpcView/RpcView.cpp
+++ b/RpcView/RpcView.cpp
@@ -189,7 +189,9 @@ void NTAPI InitDecompilerInfo(_In_ RpcInterfaceInfo_T* pRpcInterfaceInfo, _Out_
 		{
 			SymboleLength = ((UINT)wcslen(SymboleName) + 1)*sizeof(WCHAR);
 			pRpcDecompilerInfo->ppProcNameTable[i] = (WCHAR*)OS_ALLOC(SymboleLength);
-			memcpy(pRpcDecompilerInfo->ppProcNameTable[i], SymboleName, SymboleLength);
+            if (pRpcDecompilerInfo->ppProcNameTable[i] != NULL) {
+                memcpy(pRpcDecompilerInfo->ppProcNameTable[i], SymboleName, SymboleLength);
+            }
 		}
 	}
 	PdbUninit(hPdb);