diff --git a/libs/core/ir.ts b/libs/core/ir.ts
index 35406f79..1e73dd32 100644
--- a/libs/core/ir.ts
+++ b/libs/core/ir.ts
@@ -210,7 +210,7 @@ namespace sensors {
          */
         //% help=input/ultrasonic/wait
         //% block="wait %sensor|for %event"
-        //% blockId=ultrasonicWait
+        //% blockId=infraredwait
         //% parts="infraredsensor"
         //% blockNamespace=sensors
         //% weight=99 blockGap=8
diff --git a/libs/core/ns.ts b/libs/core/ns.ts
index 49cb7bb1..6d583a36 100644
--- a/libs/core/ns.ts
+++ b/libs/core/ns.ts
@@ -4,6 +4,6 @@ namespace brick {
 }
 
 //% color="#B4009E" weight=98 icon="\uf192"
-//% groups='["Touch Sensor", "Color Sensor", "Ultrasonic Sensor", "Infrared Sensor", "Remote Infrared Beacon", "Gyro Sensor"]'
+//% groups='["Ultrasonic Sensor", "Touch Sensor", "Color Sensor", "Infrared Sensor", "Remote Infrared Beacon", "Gyro Sensor"]'
 namespace sensors {
 }