diff --git a/docs/conf.py b/docs/conf.py
index 199c214..5901d8d 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -54,6 +54,7 @@
 # so a file named "default.css" will overwrite the builtin "default.css".
 html_static_path = ['_static']
 
+html_theme = "sphinx_rtd_theme"
 on_rtd = os.environ.get("READTHEDOCS", None) == "True"
 
 # On RTD we can't import sphinx_rtd_theme, but it will be applied by
@@ -62,7 +63,6 @@
 if not on_rtd:
     import sphinx_rtd_theme
 
-    html_theme = "sphinx_rtd_theme"
     html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]
 
 html_theme_options = {