diff --git a/Trajectories/Tests/perf_tests.json b/Trajectories/Tests/perf_tests.json
index 2a33256b510fcff066caa3c36a64fd9910363987..d4ee73484c028fece1c6bc1aae02bd2567411add 100644
--- a/Trajectories/Tests/perf_tests.json
+++ b/Trajectories/Tests/perf_tests.json
@@ -16,7 +16,8 @@
             "Anticyclones",
             "$PWD/Perf_segments/segments.gt",
             "segments_cost_functions.gt"
-	]
+	],
+	"exclude_cmp": ["timings.txt"]
     },
     "Perf_trajectories": {
 	"description": "Performance test with adjustable size of input.",