diff --git a/plugins/builder/osbuild.py b/plugins/builder/osbuild.py
index 443f09f..1d6c8b4 100644
--- a/plugins/builder/osbuild.py
+++ b/plugins/builder/osbuild.py
@@ -103,7 +103,7 @@ def as_dict(self, arch: str = ""):
             "rhsm": self.rhsm
         }
         if self.gpgkey:
-            res["gpg_key"] = self.gpgkey
+            res["gpgkey"] = self.gpgkey
             res["check_gpg"] = True
         if self.package_sets:
             res["package_sets"] = self.package_sets