diff --git a/ssh/client_auth_test.go b/ssh/client_auth_test.go
index 89e0d92..145b57a 100644
--- a/ssh/client_auth_test.go
+++ b/ssh/client_auth_test.go
@@ -622,7 +622,7 @@
 				t.Fatalf("errors: got %v, want %v", e, publicKeyErr)
 			}
 		default:
-			t.Fatal("errors: got %v, expected 2 errors", authErrs.Errors)
+			t.Fatalf("errors: got %v, expected 2 errors", authErrs.Errors)
 		}
 	}
 }