diff --git a/codespell_lib/_codespell.py b/codespell_lib/_codespell.py
index f2c6c44cb66..2556d36e60d 100644
--- a/codespell_lib/_codespell.py
+++ b/codespell_lib/_codespell.py
@@ -588,7 +588,7 @@ def parse_options(
             cfg_args.append(f"--{key}")
             # If value is blank, skip.
             val = config["codespell"][key]
-            if val != "":
+            if not val:
                 cfg_args.append(val)
 
         # Parse config file options.