diff --git a/mdns_test.go b/mdns_test.go
index 0953734..bdf557f 100644
--- a/mdns_test.go
+++ b/mdns_test.go
@@ -96,7 +96,7 @@ func TestMDNS(t *testing.T) {
 		}
 
 		if node.Port != service.Nodes[0].Port {
-			t.Fatalf("Expected node port %s got %s", service.Nodes[0].Port, node.Port)
+			t.Fatalf("Expected node port %d got %d", service.Nodes[0].Port, node.Port)
 		}
 	}
 
diff --git a/watcher_test.go b/watcher_test.go
index 8b1335b..f9ff62c 100644
--- a/watcher_test.go
+++ b/watcher_test.go
@@ -81,7 +81,7 @@ func TestWatcher(t *testing.T) {
 		}
 
 		if node.Port != service.Nodes[0].Port {
-			t.Fatalf("Expected node port %s got %s", service.Nodes[0].Port, node.Port)
+			t.Fatalf("Expected node port %d got %d", service.Nodes[0].Port, node.Port)
 		}
 	}