diff --git a/src/runtime/NEON/functions/NEWinogradConvolutionLayer.cpp b/src/runtime/NEON/functions/NEWinogradConvolutionLayer.cpp
index a1256ac..f4640fb 100644
--- a/src/runtime/NEON/functions/NEWinogradConvolutionLayer.cpp
+++ b/src/runtime/NEON/functions/NEWinogradConvolutionLayer.cpp
@@ -227,7 +227,7 @@
     if(workspace_size > 0)
     {
         const unsigned int alignment = 4096;
-        allocate_workspace(workspace_size, _workspace, _memory_group, alignment, 1);
+        allocate_workspace(workspace_size, _workspace, &_memory_group, alignment, 1);
         _arm_gemm->set_working_space(reinterpret_cast<float *>(_workspace.buffer()));
     }