diff --git a/src/hb-ot-layout-gsubgpos-private.hh b/src/hb-ot-layout-gsubgpos-private.hh
index 4ac724ceeb0fb76a26a8d9854fafee1ce357c00c..98d4e0a494c5b71cb41dbc7b4e7087cad4656da1 100644
--- a/src/hb-ot-layout-gsubgpos-private.hh
+++ b/src/hb-ot-layout-gsubgpos-private.hh
@@ -144,7 +144,7 @@ struct hb_apply_context_t
     {
       return unlikely (num_items && idx + num_items >= end);
     }
-    inline bool reject (void)
+    inline void reject (void)
     {
       num_items++;
     }
@@ -193,7 +193,7 @@ struct hb_apply_context_t
     {
       return unlikely (idx < num_items);
     }
-    inline bool reject (void)
+    inline void reject (void)
     {
       num_items++;
     }