diff --git a/generator/templates/apicpp.h b/generator/templates/apicpp.h
index 87bd71b5e7..f1d732c2cc 100644
--- a/generator/templates/apicpp.h
+++ b/generator/templates/apicpp.h
@@ -97,8 +97,8 @@ namespace dawn {
                 return static_cast<Derived&>(*this);
             }
 
-            ObjectBase(nullptr_t) {}
-            Derived& operator=(nullptr_t) {
+            ObjectBase(std::nullptr_t) {}
+            Derived& operator=(std::nullptr_t) {
                 if (mHandle != nullptr) {
                     Derived::DawnRelease(mHandle);
                     mHandle = nullptr;