1 files changed, 2 insertions, 2 deletions
diff --git a/lang/cpp/src/gpggencardkeyinteractor.cpp b/lang/cpp/src/gpggencardkeyinteractor.cpp
index 0ed6781a..831e4c4a 100644
--- a/lang/cpp/src/gpggencardkeyinteractor.cpp
+++ b/lang/cpp/src/gpggencardkeyinteractor.cpp
@@ -143,10 +143,10 @@ const char *GpgGenCardKeyInteractor::action(Error &err) const
     case GOT_SERIAL:
     case BACKUP_KEY_CREATED:
     case ERROR:
-        return 0;
+        return nullptr;
     default:
         err = Error::fromCode(GPG_ERR_GENERAL);
-        return 0;
+        return nullptr;
     }
 }