diff --git a/sciunit2/command/exec_/__init__.py b/sciunit2/command/exec_/__init__.py
index 6054c0c..c0321c8 100644
--- a/sciunit2/command/exec_/__init__.py
+++ b/sciunit2/command/exec_/__init__.py
@@ -10,6 +10,10 @@
 from getopt import getopt
 from pkg_resources import resource_filename
 
+# for FLINC, to avoid SIGINT causing KeyboardInterruptException
+# and exiting sciunit execution
+import signal
+signal.signal(signal.SIGINT, lambda *_: None)
 
 class ExecCommand(CommitMixin, AbstractCommand):
     name = 'exec'