diff --git a/data/themes/meson.build b/data/themes/meson.build
index e895488..d44956a 100644
--- a/data/themes/meson.build
+++ b/data/themes/meson.build
@@ -10,4 +10,5 @@ custom_target(src + '.edj',
               install_dir: join_paths(dir_data, proj, 'themes'),
               install    : true
              )
-meson.add_install_script('perms.sh')
+out = join_paths(dir_data, proj, 'themes', 'default.edj')
+meson.add_install_script(chmod, 'a+r', out)
diff --git a/data/themes/perms.sh b/data/themes/perms.sh
deleted file mode 100755
index 9aa2a99..0000000
--- a/data/themes/perms.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/sh
-
-chmod a+r "${DESTDIR}/${MESON_INSTALL_PREFIX}/share/rage/themes/default.edj"
diff --git a/meson-chmod.sh b/meson-chmod.sh
new file mode 100755
index 0000000..7fed6de
--- /dev/null
+++ b/meson-chmod.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+chmod "$1" "${DESTDIR}/$2"
diff --git a/meson.build b/meson.build
index 216849e..73f39e3 100644
--- a/meson.build
+++ b/meson.build
@@ -9,6 +9,7 @@ base_url = 'https://www.enlightenment.org/about-'
 ##### convenience variables for later
 proj     = meson.project_name()
 ver      = meson.project_version()
+chmod    = join_paths(meson.source_root(), 'meson-chmod.sh')
 
 ##### dependencies
 efl_version = '>= 1.19.0'