diff --git a/shieldlib/src/shield.ts b/shieldlib/src/shield.ts
index a60cc7282..a7a01ec98 100644
--- a/shieldlib/src/shield.ts
+++ b/shieldlib/src/shield.ts
@@ -175,7 +175,7 @@ function getShieldDef(shields: ShieldDefinitions, routeDef: RouteDefinition): Sh
     return null;
   }
 
-  var shieldDef = shields[routeDef.network];
+  let shieldDef: ShieldDefinition = shields[routeDef.network];
 
   if (routeDef == null) {
     return null;
diff --git a/shieldlib/src/types.ts b/shieldlib/src/types.ts
index ce85408ee..ace751298 100644
--- a/shieldlib/src/types.ts
+++ b/shieldlib/src/types.ts
@@ -45,6 +45,12 @@ export interface ShieldDefinitionBase {
   colorLighten: string;
   /** Perform a color darken operation with this color */
   colorDarken: string;
+  /** Provide a different shield style for specific name values */
+  overrideByName: Map<string, ShieldDefinition>
+  /** Provide a different shield style for specific ref values */
+  overrideByRef: Map<string, ShieldDefinition>
+  /** Provide a different shield style when there's no ref value */
+  noref: ShieldDefinition
 }
 
 /**