diff --git a/install.sh b/install.sh
index b6bfb72064..ec9766efec 100755
--- a/install.sh
+++ b/install.sh
@@ -223,6 +223,8 @@ fi
 npkit_options=""
 if ($npkit_enabled); then
     npkit_options="-DENABLE_NPKIT \
+    -DENABLE_NPKIT_EVENT_TIME_SYNC_GPU \
+    -DENABLE_NPKIT_EVENT_TIME_SYNC_CPU \
     -DENABLE_NPKIT_EVENT_ALL_REDUCE_RING_ENTRY \
     -DENABLE_NPKIT_EVENT_ALL_REDUCE_RING_EXIT \
     -DENABLE_NPKIT_EVENT_ALL_REDUCE_TREE_UPDOWN_ENTRY \