diff --git a/debian/rules b/debian/rules
index 49bdd90..45428fd 100755
--- a/debian/rules
+++ b/debian/rules
@@ -1,7 +1,7 @@
 #!/usr/bin/make -f
 
 export PYBUILD_NAME=swh.lister
-export export PYBUILD_TEST_ARGS=--with-doctest -sv -a !db,!fs
+export PYBUILD_TEST_ARGS=--with-doctest -sv -a !db,!fs
 
 %:
 	dh $@ --with python3 --buildsystem=pybuild