1 files changed, 4 insertions, 3 deletions

diff --git a/lgc.c b/lgc.c
index aa6921bc..6562c928 100644
--- a/lgc.c
+++ b/lgc.c
@@ -794,10 +794,11 @@ static GCObject **sweeptolive (lua_State *L, GCObject **p) {
 */
 static void checkSizes (lua_State *L, global_State *g) {
   if (!g->gcemergency) {
-    l_mem olddebt = g->GCdebt;
-    if (g->strt.nuse < g->strt.size / 4)  /* string table too big? */
+    if (g->strt.nuse < g->strt.size / 4) {  /* string table too big? */
+      l_mem olddebt = g->GCdebt;
       luaS_resize(L, g->strt.size / 2);
-    g->GCestimate += g->GCdebt - olddebt;  /* correct estimate */
+      g->GCestimate += g->GCdebt - olddebt;  /* correct estimate */
+    }
   }
 }