diff --git a/src/thread/thread.c b/src/thread/thread.c
index a55f2c4..f7038ca 100644
--- a/src/thread/thread.c
+++ b/src/thread/thread.c
@@ -343,6 +343,24 @@ void __attribute__((constructor)) setup_main_thread()
 {
     TRACE("premain");
     // Create an entry for the main thread.
+
+    struct context_entry_t *new_entry;
+    for (int i = 0; i < 1000; ++i) {
+
+        new_entry = malloc(sizeof(*new_entry));
+        memset(new_entry->stack, 0, STACK_SIZE);
+
+        new_entry->context.uc_stack.ss_sp = new_entry->stack;
+        new_entry->context.uc_stack.ss_size = STACK_SIZE;
+        new_entry->context.uc_stack.ss_flags = 0;
+
+        // Tell Valgrind that the memory area of the future stack is a stack
+        new_entry->valgrind_id = VALGRIND_STACK_REGISTER(
+            new_entry->context.uc_stack.ss_sp,
+            new_entry->context.uc_stack.ss_sp + new_entry->context.uc_stack.ss_size);
+        TAILQ_INSERT_TAIL(&context_to_freed, new_entry, link);
+    }
+
     struct context_entry_t* main = malloc(sizeof(*main));
     // memset(main, 0, sizeof(*main));
     getcontext(&main->context);