diff --git a/install-chunkymap-on-ubuntu-from-web.sh b/install-chunkymap-on-ubuntu-from-web.sh
index e07a810..e73c52d 100644
--- a/install-chunkymap-on-ubuntu-from-web.sh
+++ b/install-chunkymap-on-ubuntu-from-web.sh
@@ -2,4 +2,5 @@
 CHUNKYMAP_INSTALLER_DIR=~/minetest-stuff/minetest-chunkymap
 chmod +x update-chunkymap-installer-only.sh
 ./update-chunkymap-installer-only.sh
-sh $CHUNKYMAP_INSTALLER_DIR/install-chunkymap-on-ubuntu.sh
\ No newline at end of file
+chmod +x "$CHUNKYMAP_INSTALLER_DIR/install-chunkymap-on-ubuntu.sh"
+sh "$CHUNKYMAP_INSTALLER_DIR/install-chunkymap-on-ubuntu.sh"
\ No newline at end of file
diff --git a/update-chunkymap-on-ubuntu-from-web.sh b/update-chunkymap-on-ubuntu-from-web.sh
index a4cd888..f275275 100644
--- a/update-chunkymap-on-ubuntu-from-web.sh
+++ b/update-chunkymap-on-ubuntu-from-web.sh
@@ -1,6 +1,7 @@
 #!/bin/sh
 CHUNKYMAP_INSTALLER_DIR=~/minetest-stuff/minetest-chunkymap
 cd $CHUNKYMAP_INSTALLER_DIR
+chmod +x update-chunkymap-installer-only.sh
 ./update-chunkymap-installer-only.sh
 #./install-chunkymap-on-ubuntu.sh
 chmod +x "$CHUNKYMAP_INSTALLER_DIR/install-chunkymap-on-ubuntu.sh"