diff --git a/install-chunkymap-on-ubuntu-from-web.sh b/install-chunkymap-on-ubuntu-from-web.sh
index c015bc7..e07a810 100644
--- a/install-chunkymap-on-ubuntu-from-web.sh
+++ b/install-chunkymap-on-ubuntu-from-web.sh
@@ -1,4 +1,5 @@
 #!/bin/sh
 CHUNKYMAP_INSTALLER_DIR=~/minetest-stuff/minetest-chunkymap
+chmod +x update-chunkymap-installer-only.sh
 ./update-chunkymap-installer-only.sh
 sh $CHUNKYMAP_INSTALLER_DIR/install-chunkymap-on-ubuntu.sh
\ No newline at end of file