diff --git a/runtime/vm_provider.cpp b/runtime/vm_provider.cpp
index 8ddf4ff..51bf5cf 100644
--- a/runtime/vm_provider.cpp
+++ b/runtime/vm_provider.cpp
@@ -9,6 +9,11 @@ auto VmProvider::load_and_start(std::vector<uint32_t> instructions) -> void
 {
     std::lock_guard lock(this->mutex);
 
+    if (this->running_thread) {
+        this->vm = {};
+        this->running_thread = {};
+    }
+
     this->vm.emplace(instructions,
         VMOpts {
             .flame_graph = true,