1 files changed, 1 insertions, 1 deletions
diff --git a/src/queue.h b/src/queue.h
index c9c0641..1cd0a3c 100644
--- a/src/queue.h
+++ b/src/queue.h
@@ -59,7 +59,7 @@ class Queue {
 };
 
 template<typename T>
-Queue<T>::plength()
+void Queue<T>::plength()
 {
   fprintf(stderr, "[ql: %d]", count);
   fflush(stderr);