diff --git a/Makefile b/Makefile
index 1881a35fd13b2d3bb5b7a77e38e265c45f170504..a71db8c5d708c4a443a02fc2f56794b8add740ca 100644
--- a/Makefile
+++ b/Makefile
@@ -70,9 +70,8 @@ deploy: all
 	mkdir -p phys/practical_work
 	cp practical_work/*.html phys/practical_work
 	cp practical_work/*.pdf phys/practical_work
-	ls -ltr
-	tar --version
-	cd practical_work/ && tar czvf tp_vec2.tar.gz tp_vec2/ && cp tp_vec2.tar.gz ../phys/practical_work
+	cd practical_work/ && tar cvf tp_vec2.tar tp_vec2/ && cp tp_vec2.tar ../phys/practical_work
+	cd ..
 	make -C practical_work/planets
 	cp practical_work/planets/*.pdf phys/planets/
 	cp practical_work/planets/*.html phys/planets/