diff --git a/caliper/src/main/java/com/google/caliper/runner/Instrument.java b/caliper/src/main/java/com/google/caliper/runner/Instrument.java
index 0f32fa93..8c4cb2db 100644
--- a/caliper/src/main/java/com/google/caliper/runner/Instrument.java
+++ b/caliper/src/main/java/com/google/caliper/runner/Instrument.java
@@ -153,7 +153,7 @@ protected ImmutableSet<String> instrumentOptions() {
       // do compilation serially
       "-Xbatch",
       // make sure compilation doesn't run in parallel with itself
-      "-XX:CICompilerCount=1",
+      "-XX:CICompilerCount=2",
       // ensure the parallel garbage collector
       "-XX:+UseParallelGC",
       // generate classes or don't, but do it immediately