diff --git a/gnulib-tool b/gnulib-tool
index 58accba..4ded3d7 100755
--- a/gnulib-tool
+++ b/gnulib-tool
@@ -2812,6 +2812,8 @@ func_import ()
   fi
   func_append actioncmd " --doc-base=$docbase"
   func_append actioncmd " --aux-dir=$auxdir"
+  func_append actioncmd " --tests-base=$testsbase"
+
   if test -n "$inctests"; then
     func_append actioncmd " --with-tests"
   fi