diff --git a/tools/osbuild-mpp b/tools/osbuild-mpp
index 0c956954..1d8d21ae 100755
--- a/tools/osbuild-mpp
+++ b/tools/osbuild-mpp
@@ -281,15 +281,15 @@ from osbuild.util.rhsm import Subscriptions
 class YamlOrderedLoader(yaml.Loader):
     def construct_mapping(self, node, deep=False):
         if not isinstance(node, yaml.MappingNode):
-            raise ConstructorError(None, None,
-                                   "expected a mapping node, but found %s" % node.id,
-                                   node.start_mark)
+            raise yaml.constructor.ConstructorError(None, None,
+                                                    "expected a mapping node, but found %s" % node.id,
+                                                    node.start_mark)
         mapping = collections.OrderedDict()
         for key_node, value_node in node.value:
             key = self.construct_object(key_node, deep=deep)
             if not isinstance(key, collections.abc.Hashable):
-                raise ConstructorError("while constructing a mapping", node.start_mark,
-                                       "found unhashable key", key_node.start_mark)
+                raise yaml.constructor.ConstructorError("while constructing a mapping", node.start_mark,
+                                                        "found unhashable key", key_node.start_mark)
             value = self.construct_object(value_node, deep=deep)
             mapping[key] = value
         return mapping