diff --git a/include/openmc/material.h b/include/openmc/material.h
index eef557088c..10e64773e3 100644
--- a/include/openmc/material.h
+++ b/include/openmc/material.h
@@ -158,7 +158,7 @@ public:
 #ifdef NCRYSTAL
   //! Gwet pointer to NCrystal material object
   //! \return Pointer to NCrystal material object
-  std::shared_ptr<const NCrystal::ProcImpl::Process> m_NCrystal_mat() const {return m_NCrystal_mat_};
+  std::shared_ptr<const NCrystal::ProcImpl::Process> m_NCrystal_mat() const {return m_NCrystal_mat_; };
 #endif
 
   //----------------------------------------------------------------------------