diff --git a/benchmarks/build.gradle b/benchmarks/build.gradle
index 36732215d43..fe6d7b59eb3 100644
--- a/benchmarks/build.gradle
+++ b/benchmarks/build.gradle
@@ -55,7 +55,7 @@ dependencies {
     runtime 'org.apache.commons:commons-math3:3.2'
 }
 
-compileJava.options.compilerArgs << "-Xlint:-cast,-deprecation,-rawtypes,-try,-unchecked"
+compileJava.options.compilerArgs << "-Xlint:-cast,-deprecation,-rawtypes,-try,-unchecked,-processing"
 // enable the JMH's BenchmarkProcessor to generate the final benchmark classes
 // needs to be added separately otherwise Gradle will quote it and javac will fail
 compileJava.options.compilerArgs.addAll(["-processor", "org.openjdk.jmh.generators.BenchmarkProcessor"])