diff --git a/test/simulator/hei_sim_main.cpp b/test/simulator/hei_sim_main.cpp
index 41ffe7f..e83a577 100644
--- a/test/simulator/hei_sim_main.cpp
+++ b/test/simulator/hei_sim_main.cpp
@@ -4,9 +4,16 @@
 {
     libhei::Isolator iso;
 
-    iso.initialize();
+    void * buffer = nullptr;
+    size_t sz_buffer = 0;
 
-    iso.isolate();
+    iso.initialize( buffer, sz_buffer );
+
+    void * chip = nullptr;
+    libhei::ChipType_t chipType = 0;
+    libhei::IsolationData isoData;
+
+    iso.isolate( chip, chipType, isoData );
 
     return 0;
 }