diff --git a/Makefile b/Makefile
index ae78430274abd67e3f488d9e0c92ca33329b4ff6..cddfc60c7bfff5c45dbd515e5f74e25319f48f28 100644
--- a/Makefile
+++ b/Makefile
@@ -69,6 +69,7 @@ deploy: all
 	cp practical_work/*.html phys/practical_work
 	cp practical_work/*.pdf phys/practical_work
 	cd practical_work
+	tar --version
 	tar czvf tp_vec2.tar.gz tp_vec2/
 	cp tp_vec2.tar.gz ../phys/practical_work