diff -r 82f86dc48339 -r 75aeeb022302 src/relpipe-out-csv.cpp
--- a/src/relpipe-out-csv.cpp	Tue Jan 08 22:49:21 2019 +0100
+++ b/src/relpipe-out-csv.cpp	Tue Jan 08 23:31:07 2019 +0100
@@ -35,6 +35,7 @@
 
 int main(int argc, char**argv) {
 	CLI cli(argc, argv);
+	CLI::untieStdIO();
 	
 	int resultCode = CLI::EXIT_CODE_UNEXPECTED_ERROR;