diff --git a/src/thread.c b/src/thread.c
index 6bf8c80..62539b4 100644
--- a/src/thread.c
+++ b/src/thread.c
@@ -95,7 +95,7 @@ bare_thread_entry (void *opaque) {
 
   uv_sem_post(&thread->lock);
 
-  bare_runtime_run(runtime, thread->filename, thread->source);
+  bare_runtime_run(runtime, thread->filename, source);
 
   free(thread->filename);