diff --git a/include/openmc/source.h b/include/openmc/source.h
index bb7e2d55f7..051167b3f6 100644
--- a/include/openmc/source.h
+++ b/include/openmc/source.h
@@ -32,6 +32,7 @@ constexpr double EXTSRC_REJECT_FRACTION {0.05};
 //==============================================================================
 // Global variables
 //==============================================================================
+extern "C" const bool MCPL_ENABLED;
 
 class Source;
 
diff --git a/tests/regression_tests/source_mcpl_file/test.py b/tests/regression_tests/source_mcpl_file/test.py
index a005fc2d83..0b8e79104e 100644
--- a/tests/regression_tests/source_mcpl_file/test.py
+++ b/tests/regression_tests/source_mcpl_file/test.py
@@ -1,10 +1,13 @@
 #!/usr/bin/env python
-
+import openmc.lib
+import pytest
 import glob
 import os
 
 from tests.testing_harness import *
-
+pytestmark = pytest.mark.skipif(
+    not openmc.lib._mcpl_enabled(),
+    reason="MCPL is not enabled.")
 
 settings1="""<?xml version="1.0"?>
 <settings>