diff --git a/hw/ppc/spapr_nested.c b/hw/ppc/spapr_nested.c
index 936659b..c027857 100644
--- a/hw/ppc/spapr_nested.c
+++ b/hw/ppc/spapr_nested.c
@@ -1511,7 +1511,7 @@
     if (flags & H_GUEST_GETSET_STATE_FLAG_GUEST_WIDE) {
         gsr.flags |= GUEST_STATE_REQUEST_GUEST_WIDE;
     }
-    if (flags & !H_GUEST_GETSET_STATE_FLAG_GUEST_WIDE) {
+    if (flags & ~H_GUEST_GETSET_STATE_FLAG_GUEST_WIDE) {
         return H_PARAMETER; /* flag not supported yet */
     }