1 files changed, 1 insertions, 1 deletions
diff --git a/igor.py b/igor.py
index 3850ce76..56674c06 100644
--- a/igor.py
+++ b/igor.py
@@ -131,7 +131,7 @@ def run_tests_with_coverage(tracer, *runner_args):
     os.environ['COVERAGE_METAFILE'] = os.path.abspath(".metacov."+suffix)
 
     import coverage
-    cov = coverage.Coverage(config_file="metacov.ini", data_suffix=False)
+    cov = coverage.Coverage(config_file="metacov.ini")
     cov._warn_unimported_source = False
     cov._warn_preimported_source = False
     cov.start()