diff --git a/systems/csc-lumi/system.py b/systems/csc-lumi/system.py
index 28c2339e..54ed6d9e 100644
--- a/systems/csc-lumi/system.py
+++ b/systems/csc-lumi/system.py
@@ -26,7 +26,7 @@ class CscLumi(System):
     def initialize(self):
         super().initialize()
 
-        sys_variables= {
+        sys_variables = {
                 "sys_cores_per_node": 64,
                 "sys_gpus_per_node": 8,
                 "sys_mem_per_node": 512,
@@ -49,7 +49,6 @@ def system_specific_variables(self):
             "gtl_flag": "''",
         }
 
-
     def external_pkg_configs(self):
         externals = CscLumi.resource_location / "externals"