diff --git a/syntax/default.nanorc b/syntax/default.nanorc
index ef93877fa118cb24718858c57c30892e968b1186..3f880d78ec41c88a069bcf24920499b1fa303504 100644
--- a/syntax/default.nanorc
+++ b/syntax/default.nanorc
@@ -5,7 +5,7 @@ syntax "default"
 comment "#"
 
 # Comments.
-color cyan "^#.*"
+color cyan "^[[:space:]]*#.*"
 
 # Spaces in front of tabs.
 color ,red " +	+"