diff --git a/include/openmc/dagmc.h b/include/openmc/dagmc.h
index f74c0c0c8..c4c3d0316 100644
--- a/include/openmc/dagmc.h
+++ b/include/openmc/dagmc.h
@@ -14,10 +14,10 @@ namespace openmc {
 // Global variables
 //==============================================================================
 
-namespace model {
-
 extern "C" const bool dagmc_enabled;
 
+namespace model {
+
 extern moab::DagMC* DAG;
 
 } // namespace model