diff --git a/docs/meson.build b/docs/meson.build
index 663bdb9073..52e384be17 100644
--- a/docs/meson.build
+++ b/docs/meson.build
@@ -1,11 +1,3 @@
-SPHINX_ARGS = [config_host['SPHINX_BUILD'],
-               '-Dversion=' + meson.project_version(),
-               '-Drelease=' + config_host['PKGVERSION']]
-
-if get_option('werror')
-  SPHINX_ARGS += [ '-W' ]
-endif
-
 if build_docs
   configure_file(output: 'index.html',
                  input: files('index.html.in'),
diff --git a/meson.build b/meson.build
index 7eb2c9c01a..866321462e 100644
--- a/meson.build
+++ b/meson.build
@@ -672,6 +672,14 @@ foreach d : hx_headers
 endforeach
 genh += hxdep
 
+SPHINX_ARGS = [config_host['SPHINX_BUILD'],
+               '-Dversion=' + meson.project_version(),
+               '-Drelease=' + config_host['PKGVERSION']]
+
+if get_option('werror')
+  SPHINX_ARGS += [ '-W' ]
+endif
+
 # Collect sourcesets.
 
 util_ss = ss.source_set()