diff --git a/Plugin/src/SofaPython3/PythonEnvironment.cpp b/Plugin/src/SofaPython3/PythonEnvironment.cpp
index dbdc5947..b1f41ff2 100644
--- a/Plugin/src/SofaPython3/PythonEnvironment.cpp
+++ b/Plugin/src/SofaPython3/PythonEnvironment.cpp
@@ -92,7 +92,7 @@ class PythonEnvironmentData
     void reset()
     {
         for(auto s : m_argv){
-            PyMem_Free(s);
+            PyMem_RawFree(s);
         }
         m_argv.clear();
         addedPath.clear();