diff --git a/source/include/signalflow/core/util.h b/source/include/signalflow/core/util.h
index 15d683ec..d3992ba0 100644
--- a/source/include/signalflow/core/util.h
+++ b/source/include/signalflow/core/util.h
@@ -18,6 +18,7 @@
 namespace signalflow
 {
 double signalflow_timestamp();
+void signalflow_msleep(int millis);
 long signalflow_create_random_seed();
 
 double signalflow_clip(double value, double min, double max);
diff --git a/source/src/core/util.cpp b/source/src/core/util.cpp
index 92caf3e5..7ba9c878 100644
--- a/source/src/core/util.cpp
+++ b/source/src/core/util.cpp
@@ -12,6 +12,7 @@
 #include <stdarg.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <thread>
 
 namespace signalflow
 {
@@ -28,6 +29,11 @@ double signalflow_timestamp()
         / 1000000.0;
 }
 
+void signalflow_msleep(int millis)
+{
+    std::this_thread::sleep_for(std::chrono::milliseconds(millis));
+}
+
 long signalflow_create_random_seed()
 {
     /*--------------------------------------------------------------------*
diff --git a/source/src/python/graph.cpp b/source/src/python/graph.cpp
index a1c62ca8..b08cb540 100644
--- a/source/src/python/graph.cpp
+++ b/source/src/python/graph.cpp
@@ -159,7 +159,7 @@ void init_python_graph(py::module &m)
                  *-------------------------------------------------------------------------------*/
                 py::gil_scoped_release release;
 
-                std::this_thread::sleep_for(std::chrono::milliseconds(5));
+                signalflow_msleep(5);
 
                 if (graph.has_raised_audio_thread_error())
                     break;
@@ -188,7 +188,7 @@ void init_python_graph(py::module &m)
                      *-------------------------------------------------------------------------------*/
                     py::gil_scoped_release release;
 
-                    std::this_thread::sleep_for(std::chrono::milliseconds(5));
+                    signalflow_msleep(5);
 
                     if (graph.has_raised_audio_thread_error())
                         break;