diff --git a/contrib/imm-o-matic b/contrib/imm-o-matic
index d504a7954512971a1eb01aa08e0c4ae339219c0c..0ad5ec1570971a2d927f3f0633e1a797bcec9425 100755
--- a/contrib/imm-o-matic
+++ b/contrib/imm-o-matic
@@ -268,7 +268,7 @@ if __name__ == '__main__':
     args = parser.parse_args()
 
     with open(args.configfile) as f:
-        configs = yaml.load(f, loader=yaml.SafeLoader)
+        configs = yaml.load(f, Loader=yaml.SafeLoader)
     for i in configs:
         config = configs[i]
         destdir = config['destdir']