--- a/ext/shout_ext.c	2024-01-23 14:02:08.404056464 +0100
+++ b/ext/shout_ext.c	2024-01-23 14:03:47.152700002 +0100
@@ -91,8 +91,8 @@
 /* For metadata-related errors, which don't relate to a shout_t, so we can't
  * use shout_get_errno or shout_get_error on them.
  */
-static void raise_nonspecific_shout_error(int errno) {
-        rb_raise(cShoutError, "%d", errno);
+static void raise_nonspecific_shout_error(int err_no) {
+        rb_raise(cShoutError, "%d", err_no);
 }
 
 /*