diff --git a/config.default.yaml b/config.default.yaml
index b1111d5a..d8f3697a 100755
--- a/config.default.yaml
+++ b/config.default.yaml
@@ -36,7 +36,7 @@ enable:
 electricity:
   voltages: [220., 300., 380.]
   co2limit: 7.75e+7 # 0.05 * 3.1e9*0.5
-  co2base: 1.487e9
+  co2base: 1.487e+9
   agg_p_nom_limits: data/agg_p_nom_minmax.csv
 
   extendable_carriers: