diff --git a/core/src/Cabana_ParticleList.hpp b/core/src/Cabana_ParticleList.hpp
index 5dce4a8e5..9d499d14f 100644
--- a/core/src/Cabana_ParticleList.hpp
+++ b/core/src/Cabana_ParticleList.hpp
@@ -207,8 +207,7 @@ class ParticleList
     }
 
     //! Constructor from existing AoSoA.
-    template <class AoSoAType>
-    ParticleList( const AoSoAType aosoa )
+    ParticleList( const aosoa_type& aosoa )
         : _aosoa( aosoa )
     {
     }