diff --git a/test/e2e/apimachinery/garbage_collector.go b/test/e2e/apimachinery/garbage_collector.go
index 493013b6f1c..344ffb0d81b 100644
--- a/test/e2e/apimachinery/garbage_collector.go
+++ b/test/e2e/apimachinery/garbage_collector.go
@@ -68,7 +68,7 @@ func estimateMaximumPods(c clientset.Interface, min, max int32) int32 {
 		availablePods += 10
 	}
 	//avoid creating exactly max pods
-	availablePods = int32(float32(availablePods) * 8.0 / 10.0)
+	availablePods = int32(float32(availablePods) * (8.0 / 10.0))
 	// bound the top and bottom
 	if availablePods > max {
 		availablePods = max