diff --git a/api/catalog_test.go b/api/catalog_test.go
index d2f29ab504..29a3578802 100644
--- a/api/catalog_test.go
+++ b/api/catalog_test.go
@@ -17,7 +17,7 @@ func TestCatalog_Datacenters(t *testing.T) {
 	retry.Run(t, func(r *retry.R) {
 		datacenters, err := catalog.Datacenters()
 		if err != nil {
-			r.Fatalf("catalog.Datacenters: ", err)
+			r.Fatal(err)
 		}
 		if len(datacenters) < 1 {
 			r.Fatal("got 0 datacenters want at least one")
@@ -33,7 +33,7 @@ func TestCatalog_Nodes(t *testing.T) {
 	retry.RunWith(retry.ThreeTimes(), t, func(r *retry.R) {
 		nodes, meta, err := catalog.Nodes(nil)
 		if err != nil {
-			r.Fatalf("catalog.Nodes: ", err)
+			r.Fatal(err)
 		}
 		if meta.LastIndex == 0 {
 			r.Fatal("got last index 0 want > 0")
diff --git a/consul/client_test.go b/consul/client_test.go
index b9ce3ccd6a..730721346d 100644
--- a/consul/client_test.go
+++ b/consul/client_test.go
@@ -83,7 +83,7 @@ func TestClient_JoinLAN(t *testing.T) {
 	joinLAN(t, c1, s1)
 	retry.Run(t, func(r *retry.R) {
 		if got, want := c1.servers.NumServers(), 1; got != want {
-			r.Fatal("got %d servers want %d", got, want)
+			r.Fatalf("got %d servers want %d", got, want)
 		}
 		if got, want := len(s1.LANMembers()), 2; got != want {
 			r.Fatalf("got %d server LAN members want %d", got, want)
@@ -346,7 +346,7 @@ func TestClient_SnapshotRPC(t *testing.T) {
 	// Wait until we've got a healthy server.
 	retry.Run(t, func(r *retry.R) {
 		if got, want := c1.servers.NumServers(), 1; got != want {
-			r.Fatal("got %d servers want %d", got, want)
+			r.Fatalf("got %d servers want %d", got, want)
 		}
 	})
 
@@ -401,7 +401,7 @@ func TestClient_SnapshotRPC_TLS(t *testing.T) {
 	// Wait until we've got a healthy server.
 	retry.Run(t, func(r *retry.R) {
 		if got, want := c1.servers.NumServers(), 1; got != want {
-			r.Fatal("got %d servers want %d", got, want)
+			r.Fatalf("got %d servers want %d", got, want)
 		}
 	})