diff --git a/tests/xplane_types/xplane_file/performance_spheres_no_anim.test.py b/tests/xplane_types/xplane_file/performance_spheres_no_anim.test.py
index 8aa3efc9..b2bc0c67 100644
--- a/tests/xplane_types/xplane_file/performance_spheres_no_anim.test.py
+++ b/tests/xplane_types/xplane_file/performance_spheres_no_anim.test.py
@@ -17,7 +17,7 @@ def test_performance_spheres_no_anim(self):
         end = time.perf_counter() - start
 
         filename = inspect.stack()[0][3]
-        print("Export time of {}: %{}".format(filename,end))
+        print("Export time of {}: {}".format(filename,end))
         MAX_TOTAL_CUMULATIVE_EXPORT_TIME = 63.0
         self.assertTrue((time.perf_counter()-start) < MAX_TOTAL_CUMULATIVE_EXPORT_TIME)