diff --git a/Mac/Modules/MacOS.c b/Mac/Modules/MacOS.c
index 4eabb39..3fe6e0d 100644
--- a/Mac/Modules/MacOS.c
+++ b/Mac/Modules/MacOS.c
@@ -357,7 +357,7 @@
 		PyObject *m, *rv;
 		errors_loaded = 1;
 		
-		m = PyImport_ImportModule("macresource");
+		m = PyImport_ImportModuleNoBlock("macresource");
 		if (!m) {
 			if (Py_VerboseFlag)
 				PyErr_Print();