diff --git a/source/pwrapper/registry.cpp b/source/pwrapper/registry.cpp
index 91305058..9544a490 100644
--- a/source/pwrapper/registry.cpp
+++ b/source/pwrapper/registry.cpp
@@ -393,6 +393,11 @@ void WrapperRegistry::addConstants(PyObject* module) {
 #else
 	PyModule_AddObject(module,"GUI",Manta::toPy<bool>(false));
 #endif
+#ifdef DOUBLEPRECISION
+	PyModule_AddObject(module,"DOUBLEPRECISION",Manta::toPy<bool>(true));
+#else
+	PyModule_AddObject(module,"DOUBLEPRECISION",Manta::toPy<bool>(false));
+#endif
 }
 
 void WrapperRegistry::runPreInit() {
@@ -648,4 +653,4 @@ Register::Register(InitFunc func) {
 	WrapperRegistry::instance().addExternalInitializer(func);        
 }
 
-} // namespace
\ No newline at end of file
+} // namespace