diff --git a/tccgen.c b/tccgen.c
index 33c42de8..53a2b6b4 100644
--- a/tccgen.c
+++ b/tccgen.c
@@ -2801,6 +2801,7 @@ static void struct_decl(CType *type, int u)
                 if (tok == '}')
                     break;
             }
+            s->c = type_size(&int_type, &align);
             skip('}');
         } else {
             maxalign = 1;