1 files changed, 2 insertions, 2 deletions

diff --git a/lobject.h b/lobject.h
index a7d85762..81dfd475 100644
--- a/lobject.h
+++ b/lobject.h
@@ -427,8 +427,8 @@ typedef struct TString {
 ** Get string and length */
 #define getlstr(ts, len)  \
         (strisshr(ts) \
-        ? (cast_void(len = (ts)->shrlen), rawgetshrstr(ts)) \
-        : (cast_void(len = (ts)->u.lnglen), (ts)->contents))
+        ? (cast_void((len) = (ts)->shrlen), rawgetshrstr(ts)) \
+        : (cast_void((len) = (ts)->u.lnglen), (ts)->contents))
 
 /* }================================================================== */