diff --git a/car_fmw/src/ProtoRW.kt b/car_fmw/src/ProtoRW.kt
index a0af0ec691e..bbd4980986e 100644
--- a/car_fmw/src/ProtoRW.kt
+++ b/car_fmw/src/ProtoRW.kt
@@ -26,7 +26,7 @@ object Reader {
 
     fun readSonarExplore(): SonarExploreAngleRequest {
         val stream = getInputStream()
-        return SonarExploreAngleRequest.BuilderSonarExploreAngleRequest(0, 0, 0).parseFrom(stream).build()
+        return SonarExploreAngleRequest.BuilderSonarExploreAngleRequest(0, 0).parseFrom(stream).build()
     }
 
     private fun getInputStream(): CodedInputStream {