diff --git a/tccgen.c b/tccgen.c
index 2519e62e..b7f9e139 100644
--- a/tccgen.c
+++ b/tccgen.c
@@ -1918,6 +1918,7 @@ ST_FUNC void save_reg_upstack(int r, int n)
             } else {
                 p->r = VT_LVAL | VT_LOCAL;
             }
+            p->sym = NULL;
             p->r2 = VT_CONST;
             p->c.i = l;
         }