diff --git a/compiler/src/dmd/dtemplate.d b/compiler/src/dmd/dtemplate.d
index 92ecc503964a..0427845aa9b6 100644
--- a/compiler/src/dmd/dtemplate.d
+++ b/compiler/src/dmd/dtemplate.d
@@ -2107,12 +2107,12 @@ MATCH deduceType(RootObject o, Scope* sc, Type tparam, ref TemplateParameters pa
                 while (s && s.baseclasses.length > 0)
                 {
                     // Test the base class
-                    deduceBaseClassParameters(*(*s.baseclasses)[0], sc, tparam, *parameters, dedtypes, *best, numBaseClassMatches);
+                    deduceBaseClassParameters(*(*s.baseclasses)[0], sc, tparam, parameters, dedtypes, best, numBaseClassMatches);
 
                     // Test the interfaces inherited by the base class
                     foreach (b; s.interfaces)
                     {
-                        deduceBaseClassParameters(*b, sc, tparam, *parameters, dedtypes, *best, numBaseClassMatches);
+                        deduceBaseClassParameters(*b, sc, tparam, parameters, dedtypes, best, numBaseClassMatches);
                     }
                     s = (*s.baseclasses)[0].sym;
                 }