diff --git a/js/common/model/EnergyDirection.ts b/js/common/model/EnergyDirection.ts
index 08e2786a..c53d3b85 100644
--- a/js/common/model/EnergyDirection.ts
+++ b/js/common/model/EnergyDirection.ts
@@ -30,7 +30,7 @@ class EnergyDirection extends EnumerationValue {
     }
 
     return assert && assert( false, 'unsupported enumValue' );
-  }
+  };
 
   /**
    * Get the opposite of the provided direction.
@@ -39,7 +39,7 @@ class EnergyDirection extends EnumerationValue {
     return enumValue === EnergyDirection.UP ?
            EnergyDirection.DOWN :
            EnergyDirection.UP;
-  }
+  };
 
   public static enumeration = new Enumeration( EnergyDirection );
 }
diff --git a/js/common/view/FluxMeterNode.ts b/js/common/view/FluxMeterNode.ts
index ae584f9c..ea7b9f1c 100644
--- a/js/common/view/FluxMeterNode.ts
+++ b/js/common/view/FluxMeterNode.ts
@@ -54,7 +54,7 @@ const SENSOR_VIEW_HEIGHT = 10;
 
 class FluxMeterNode extends Node {
   public readonly fluxPanel: Panel;
-  private readonly wasDraggedProperty: BooleanProperty
+  private readonly wasDraggedProperty: BooleanProperty;
 
   /**
    * @param model - model component for the FluxMeter