diff --git a/Snakefile b/Snakefile
index 0ac8bd99..6e484aae 100644
--- a/Snakefile
+++ b/Snakefile
@@ -8,7 +8,7 @@ wildcard_constraints:
     clusters="[0-9]+m?",
     sectors="[+a-zA-Z0-9]+",
     opts="[-+a-zA-Z0-9]*",
-    sector_opts="[-+a-zA-Z0-9]*"
+    sector_opts="[-+a-zA-Z0-9\.]*"