diff --git a/generators/src/org/jetbrains/kotlin/generators/protobuf/GenerateProtoBuf.kt b/generators/src/org/jetbrains/kotlin/generators/protobuf/GenerateProtoBuf.kt
index 14f2a00d20e..a6decd0bca9 100644
--- a/generators/src/org/jetbrains/kotlin/generators/protobuf/GenerateProtoBuf.kt
+++ b/generators/src/org/jetbrains/kotlin/generators/protobuf/GenerateProtoBuf.kt
@@ -66,6 +66,7 @@ fun main(args: Array<String>) {
             execProtoc(protoPath.file, protoPath.outPath)
             modifyAndExecProtoc(protoPath)
         }
+        GenerateProtoBufCompare.generate()
     }
     catch (e: Throwable) {
         e.printStackTrace()
diff --git a/generators/src/org/jetbrains/kotlin/generators/protobuf/GenerateProtoBufCompare.kt b/generators/src/org/jetbrains/kotlin/generators/protobuf/GenerateProtoBufCompare.kt
index 39898b43ca2..125cac4e263 100644
--- a/generators/src/org/jetbrains/kotlin/generators/protobuf/GenerateProtoBufCompare.kt
+++ b/generators/src/org/jetbrains/kotlin/generators/protobuf/GenerateProtoBufCompare.kt
@@ -32,6 +32,10 @@ class GenerateProtoBufCompare {
 
         platformStatic
         fun main(args: Array<String>) {
+            generate()
+        }
+
+        fun generate() {
             GeneratorsFileUtil.writeFileIfContentChanged(DEST_FILE, GenerateProtoBufCompare().generate())
         }
     }