diff --git a/debian/tests/testsuite b/debian/tests/testsuite
index 7dbf155..35cb705 100755
--- a/debian/tests/testsuite
+++ b/debian/tests/testsuite
@@ -7,4 +7,4 @@ case $USER in
   *) PGSUPERUSER=$USER ;;
 esac
 
-PGSUPERUSER=$PGSUPERUSER pg_virtualenv make -C test prepare regress
+PGLOADER=pgloader PGSUPERUSER=$PGSUPERUSER pg_virtualenv make -C test prepare regress