diff --git a/internal/config/styles.go b/internal/config/styles.go
index 263961dd..b9766071 100644
--- a/internal/config/styles.go
+++ b/internal/config/styles.go
@@ -214,8 +214,8 @@ func newCharts() Charts {
 		DefaultDialColors:  Colors{Color("palegreen"), Color("orangered")},
 		DefaultChartColors: Colors{Color("palegreen"), Color("orangered")},
 		ResourceColors: map[string]Colors{
-			"cpu": Colors{Color("dodgerblue"), Color("darkslateblue")},
-			"mem": Colors{Color("yellow"), Color("goldenrod")},
+			"cpu": {Color("dodgerblue"), Color("darkslateblue")},
+			"mem": {Color("yellow"), Color("goldenrod")},
 		},
 	}
 }