diff --git a/applications/plugins/SofaPython/ctypes.cpp b/applications/plugins/SofaPython/ctypes.cpp
index a125f3b3232..31092e3be94 100644
--- a/applications/plugins/SofaPython/ctypes.cpp
+++ b/applications/plugins/SofaPython/ctypes.cpp
@@ -106,6 +106,7 @@ static void eigen_from_scipy_impl(eigen_csr_matrix<U>* lvalue,
         eigen_csr_matrix<U> matrix;
         char bytes[0]; // ye olde c trick ahoy
         storage_type() { }
+        ~storage_type() { }
     } storage;
 
     const eigen_csr_matrix<U>* alias = new (storage.bytes) eigen_csr_matrix<U>(rvalue);