diff --git a/reactor-core/src/test/java/reactor/core/publisher/FluxGroupByTest.java b/reactor-core/src/test/java/reactor/core/publisher/FluxGroupByTest.java
index 548c01f237..fdfeb524d7 100644
--- a/reactor-core/src/test/java/reactor/core/publisher/FluxGroupByTest.java
+++ b/reactor-core/src/test/java/reactor/core/publisher/FluxGroupByTest.java
@@ -74,7 +74,7 @@ void performanceOfContinuouslyCancellingGroups() throws Exception {
 
 		latch.await();
 		assertThat(upstream).as("upstream and downstream consistent").hasValue(downstream.get());
-		assertThat(downstream).as("order of magnitude").hasValueGreaterThan(9_999);
+		assertThat(downstream).as("order of magnitude").hasValueGreaterThan(30_000);
 	}
 
 	@Override