diff --git a/srfi.180.scm b/srfi-180.scm
similarity index 100%
rename from srfi.180.scm
rename to srfi-180.scm
diff --git a/srfi.180.egg b/srfi.180.egg
index c3d56b8..35ea3d7 100644
--- a/srfi.180.egg
+++ b/srfi.180.egg
@@ -9,6 +9,6 @@
  (components
   (extension srfi.180.helpers
              (csc-options "-X" "r7rs" "-R" "r7rs"))
-  (extension srfi.180
+  (extension srfi-180
              (component-dependencies srfi.180.helpers)
              (csc-options "-X" "r7rs" "-R" "r7rs"))))