diff --git a/core/shared/src/main/scala/cats/effect/IODeferred.scala b/core/shared/src/main/scala/cats/effect/IODeferred.scala
index 13c05d2226..a64481b910 100644
--- a/core/shared/src/main/scala/cats/effect/IODeferred.scala
+++ b/core/shared/src/main/scala/cats/effect/IODeferred.scala
@@ -29,9 +29,10 @@ private final class IODeferred[A] extends Deferred[IO, A] {
           val removed = callbacks.clearHandle(handle)
           if (!removed) {
             val clearCount = clearCounter.incrementAndGet()
-            if ((clearCount & (clearCount - 1)) == 0) // power of 2
+            if ((clearCount & (clearCount - 1)) == 0) { // power of 2
               clearCounter.addAndGet(-callbacks.pack(clearCount))
-            ()
+              ()
+            }
           }
         }