diff --git a/opts.def b/opts.def
index bde5e48..dc6869e 100644
--- a/opts.def
+++ b/opts.def
@@ -99,7 +99,7 @@
     GMQCC_DEFINE_FLAG(OVERLAP_LOCALS,       3)
     GMQCC_DEFINE_FLAG(STRIP_CONSTANT_NAMES, 1)
     GMQCC_DEFINE_FLAG(OVERLAP_STRINGS,      2)
-    GMQCC_DEFINE_FLAG(CALL_STORES,          1)
+    GMQCC_DEFINE_FLAG(CALL_STORES,          4)
     GMQCC_DEFINE_FLAG(VOID_RETURN,          1)
     GMQCC_DEFINE_FLAG(VECTOR_COMPONENTS,    1)
 #endif