diff --git a/src/demangle/ItaniumDemangle.h b/src/demangle/ItaniumDemangle.h
index 4f72bdd..a504b06 100644
--- a/src/demangle/ItaniumDemangle.h
+++ b/src/demangle/ItaniumDemangle.h
@@ -4340,7 +4340,7 @@
     return nullptr;
   }
   case 'D':
-    if (consumeIf("DnE"))
+    if (consumeIf("Dn") && (consumeIf('0'), consumeIf('E')))
       return make<NameType>("nullptr");
     return nullptr;
   case 'T':
diff --git a/test/test_demangle.pass.cpp b/test/test_demangle.pass.cpp
index a450f36..172f15f 100644
--- a/test/test_demangle.pass.cpp
+++ b/test/test_demangle.pass.cpp
@@ -644,6 +644,7 @@
     {"_ZNSs4_Rep20_S_empty_rep_storageE", "std::string::_Rep::_S_empty_rep_storage"},
     {"_ZZN23ImageLoaderMachOClassic26bindIndirectSymbolPointersERKN11ImageLoader11LinkContextEbbE13alreadyWarned", "ImageLoaderMachOClassic::bindIndirectSymbolPointers(ImageLoader::LinkContext const&, bool, bool)::alreadyWarned"},
     {"_ZN12_GLOBAL__N_115emergency_mutexE", "(anonymous namespace)::emergency_mutex"},
+    {"_Z1fIDnLDn0EEvv", "void f<std::nullptr_t, nullptr>()"},
 
     // clang