diff --git a/src/clpp11.hpp b/src/clpp11.hpp
index 70da2329..94464990 100644
--- a/src/clpp11.hpp
+++ b/src/clpp11.hpp
@@ -729,9 +729,10 @@ class Buffer {
   }
 
   // Copies the contents of this buffer into another device buffer
-  void CopyToAsync(const Queue &queue, const size_t size, const Buffer<T> &destination) const {
+  void CopyToAsync(const Queue &queue, const size_t size, const Buffer<T> &destination,
+                   EventPointer event = nullptr) const {
     CheckError(clEnqueueCopyBuffer(queue(), *buffer_, destination(), 0, 0, size*sizeof(T), 0,
-                                   nullptr, nullptr));
+                                   nullptr, event));
   }
   void CopyTo(const Queue &queue, const size_t size, const Buffer<T> &destination) const {
     CopyToAsync(queue, size, destination);
diff --git a/src/routines/level2/xtrsv.cpp b/src/routines/level2/xtrsv.cpp
index a87c5410..2a5a5664 100644
--- a/src/routines/level2/xtrsv.cpp
+++ b/src/routines/level2/xtrsv.cpp
@@ -154,7 +154,7 @@ void Xtrsv<T>::DoTrsv(const Layout layout, const Triangle triangle,
   }
 
   // Retrieves the results
-  x_buffer.CopyTo(queue_, x_size, b_buffer);
+  x_buffer.CopyToAsync(queue_, x_size, b_buffer, event_);
 }
 
 // =================================================================================================
diff --git a/src/routines/level2/xtrsv.hpp b/src/routines/level2/xtrsv.hpp
index 798df792..8a900a35 100644
--- a/src/routines/level2/xtrsv.hpp
+++ b/src/routines/level2/xtrsv.hpp
@@ -32,6 +32,7 @@ class Xtrsv: public Xgemv<T> {
   using Xgemv<T>::device_;
   using Xgemv<T>::db_;
   using Xgemv<T>::program_;
+  using Xgemv<T>::event_;
   using Xgemv<T>::DoGemv;
 
   // Constructor
diff --git a/src/routines/level3/xtrsm.cpp b/src/routines/level3/xtrsm.cpp
index 905660ff..fe5d1e14 100644
--- a/src/routines/level3/xtrsm.cpp
+++ b/src/routines/level3/xtrsm.cpp
@@ -246,7 +246,7 @@ void Xtrsm<T>::TrsmColMajor(const Side side, const Triangle triangle,
   }
 
   // Retrieves the results
-  x_buffer.CopyTo(queue_, b_size, b_buffer);
+  x_buffer.CopyToAsync(queue_, b_size, b_buffer, event_);
 }
 
 // =================================================================================================
diff --git a/src/routines/level3/xtrsm.hpp b/src/routines/level3/xtrsm.hpp
index 5b42398e..871d7253 100644
--- a/src/routines/level3/xtrsm.hpp
+++ b/src/routines/level3/xtrsm.hpp
@@ -31,6 +31,7 @@ class Xtrsm: public Xgemm<T> {
   using Xgemm<T>::device_;
   using Xgemm<T>::db_;
   using Xgemm<T>::program_;
+  using Xgemm<T>::event_;
   using Xgemm<T>::DoGemm;
 
   // Constructor