diff --git a/src/switch_ivr.c b/src/switch_ivr.c
index 75cacbd7b8..0321cac032 100644
--- a/src/switch_ivr.c
+++ b/src/switch_ivr.c
@@ -618,8 +618,9 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_play_file(switch_core_session_t *sess
 			ext++;
 		} else {
 			char *new_file;
+			uint32_t len;
 			ext = read_codec->implementation->iananame;
-			uint32_t len = (uint32_t)strlen(file) + (uint32_t)strlen(ext) + 2;
+			len = (uint32_t)strlen(file) + (uint32_t)strlen(ext) + 2;
 			new_file = switch_core_session_alloc(session, len);
 			snprintf(new_file, len, "%s.%s", file, ext);
 			file = new_file;