diff --git a/search/ClkInfo.cc b/search/ClkInfo.cc
index 76e21287..a8679101 100644
--- a/search/ClkInfo.cc
+++ b/search/ClkInfo.cc
@@ -179,9 +179,9 @@ ClkInfo::to_string(const StaState *sta) const
     result += network->pathName(gen_clk_src_);
   }
 
-  if (insertion_ > 0.0) {
+  if (delayGreater(insertion_, 0.0, sta)) {
     result += " insert";
-    result += std::to_string(insertion_);
+    result += delayAsString(insertion_, sta);
   }
 
   if (uncertainties_) {
diff --git a/search/PathEnum.cc b/search/PathEnum.cc
index 07293827..a0c860fe 100644
--- a/search/PathEnum.cc
+++ b/search/PathEnum.cc
@@ -450,7 +450,7 @@ PathEnumFaninVisitor::insertUniqueEdgeDiv(Diversion *div)
   const RiseFall *div_rf = div_path->transition(this);
   auto itr = unique_edge_divs_.find({div_vertex, div_rf});
   if (itr == unique_edge_divs_.end()
-      || div_slack > itr->second->pathEnd()->slack(this))
+      || delayGreater(div_slack, itr->second->pathEnd()->slack(this), this))
     itr->second = div;
 }
 
diff --git a/search/Search.i b/search/Search.i
index 9be59d15..3e2e761a 100644
--- a/search/Search.i
+++ b/search/Search.i
@@ -260,7 +260,7 @@ endpoint_slack(const Pin *pin,
   sta->ensureLibLinked();
   if (sta->isGroupPathName(path_group_name)) {
     Slack slack = sta->endpointSlack(pin, std::string(path_group_name), min_max);
-    return sta->units()->timeUnit()->staToUser(slack);
+    return sta->units()->timeUnit()->staToUser(delayAsFloat(slack));
   }
   else {
     sta->report()->error(1577, "%s is not a known path group name.",