diff --git a/suture_simple_test.go b/suture_simple_test.go
index 718e729..9afda11 100644
--- a/suture_simple_test.go
+++ b/suture_simple_test.go
@@ -17,7 +17,7 @@ func (i *Incrementor) Serve() {
 	for {
 		select {
 		case i.next <- i.current:
-			i.current += 1
+			i.current++
 		case <-i.stop:
 			// We sync here just to guarantee the output of "Stopping the service",
 			// so this passes the test reliably.
diff --git a/suture_test.go b/suture_test.go
index 166236c..8c35470 100644
--- a/suture_test.go
+++ b/suture_test.go
@@ -525,7 +525,7 @@ func (s *FailableService) Serve() {
 		everMultistarted = true
 		panic("Multi-started the same service! " + s.name)
 	}
-	s.existing += 1
+	s.existing++
 
 	s.started <- true
 
@@ -538,13 +538,13 @@ func (s *FailableService) Serve() {
 			case Happy:
 				// Do nothing on purpose. Life is good!
 			case Fail:
-				s.existing -= 1
+				s.existing--
 				if useStopChan {
 					s.stop <- true
 				}
 				return
 			case Panic:
-				s.existing -= 1
+				s.existing--
 				panic("Panic!")
 			case Hang:
 				// or more specifically, "hang until I release you"
@@ -553,7 +553,7 @@ func (s *FailableService) Serve() {
 				useStopChan = true
 			}
 		case <-s.shutdown:
-			s.existing -= 1
+			s.existing--
 			if useStopChan {
 				s.stop <- true
 			}