diff --git a/docs/source/conf.py b/docs/source/conf.py
index 3ca9963..3cdc001 100755
--- a/docs/source/conf.py
+++ b/docs/source/conf.py
@@ -18,7 +18,7 @@
 
 
 # -- AiiDA-related setup --------------------------------------------------
-temp_profile = SqliteTempBackend.create_profile('temp-profile')
+temp_profile = SqliteTempBackend.create_profile("temp-profile")
 load_profile(temp_profile, allow_switch=True)
 
 # -- General configuration ------------------------------------------------