diff --git a/src/c/Makefile b/src/c/Makefile
index dfb4e512..fd5b509d 100644
--- a/src/c/Makefile
+++ b/src/c/Makefile
@@ -1,5 +1,5 @@
 NIX = /home/eelco/Dev/nix/inst
 ATERM = /home/eelco/Dev/nix/externals/inst-aterm
 
-eval-jobs: eval-jobs.cc
-	libtool --mode=link g++ -o eval-jobs eval-jobs.cc -I$(NIX)/include/nix -I$(ATERM)/include -L$(NIX)/lib/nix/ -lmain -lexpr -L$(ATERM)/lib -lATerm
+hydra_eval_jobs: hydra_eval_jobs.cc
+	libtool --mode=link g++ -o hydra_eval_jobs hydra_eval_jobs.cc -I$(NIX)/include/nix -I$(ATERM)/include -L$(NIX)/lib/nix/ -lmain -lexpr -L$(ATERM)/lib -lATerm
diff --git a/src/c/eval-jobs.cc b/src/c/hydra_eval_jobs.cc
similarity index 100%
rename from src/c/eval-jobs.cc
rename to src/c/hydra_eval_jobs.cc
diff --git a/src/root/build.tt b/src/root/build.tt
index 14fafeae..a7f74409 100644
--- a/src/root/build.tt
+++ b/src/root/build.tt
@@ -136,12 +136,12 @@
       <td>[% IF build.resultInfo.stoptime %][% PROCESS renderDateTime timestamp = build.resultInfo.stoptime %][% ELSE %]<em>(cached build)</em>[% END %]</td>
     </tr>
     <tr>
-      <th>Duration (seconds):</th>
+      <th>Duration:</th>
       <td>
         [% IF build.resultInfo.iscachedbuild %]
           <em>(cached build)</em>
         [% ELSE %]
-          [% build.resultInfo.stoptime - build.resultInfo.starttime %]
+          [% build.resultInfo.stoptime - build.resultInfo.starttime %]s
         [% END %]
       </td>
     </tr>
diff --git a/src/root/project.tt b/src/root/project.tt
index 1e86c08b..7bd076a3 100644
--- a/src/root/project.tt
+++ b/src/root/project.tt
@@ -97,22 +97,16 @@
         <th>Last checked:</th>
         <td>
           [% IF jobset.lastcheckedtime %]
-            [% PROCESS renderDateTime timestamp = jobset.lastcheckedtime %]
+            [% PROCESS renderDateTime timestamp = jobset.lastcheckedtime -%][% IF jobset.errormsg -%]<em>, evaluation error</em>:
+              <pre class="multiLineMsg error">[% HTML.escape(jobset.errormsg) %]</pre>
+            [% ELSE %], <em>no errors</em>
+            [% END %]
           [% ELSE %]
             <em>never</em>
           [% END %]
         </td>
       </tr>
     [% END %]
-    [% IF !edit && jobset.errormsg %]
-      <tr>
-        <th>Last evaluation error:</th>
-        <td>
-          <em>On [% PROCESS renderDateTime timestamp = jobset.errortime %]:</em>
-          <pre class="multiLineMsg error">[% HTML.escape(jobset.errormsg) %]</pre>
-        </td>
-      </tr>
-    [% END %]
   </table>
 
   <h4>Inputs</h4>
diff --git a/src/script/hydra_scheduler.pl b/src/script/hydra_scheduler.pl
index 1fbe510b..f6fc6fa3 100755
--- a/src/script/hydra_scheduler.pl
+++ b/src/script/hydra_scheduler.pl
@@ -329,7 +329,7 @@ sub checkJobSet {
     $nixExprPath .= "/" . $jobset->nixexprpath;
 
     (my $res, my $jobsXml, my $stderr) = captureStdoutStderr(
-        "eval-jobs", $nixExprPath, inputsToArgs($inputInfo));
+        "hydra_eval_jobs", $nixExprPath, inputsToArgs($inputInfo));
     die "cannot evaluate the Nix expression containing the jobs:\n$stderr" unless $res;
 
     my $jobs = XMLin($jobsXml,
@@ -338,16 +338,18 @@ sub checkJobSet {
                      SuppressEmpty => '')
         or die "cannot parse XML output";
 
-    # Store the errors messages for jobs that failed to evaluate.
-    foreach my $error (@{$jobs->{error}}) {
-        print "error at " . $error->{location} . ": " . $error->{msg} . "\n";
-    }
-
     # Schedule each successfully evaluated job.
     foreach my $job (@{$jobs->{job}}) {
         print "considering job " . $job->{jobName} . "\n";
         checkJob($project, $jobset, $inputInfo, $job);
     }
+
+    # Store the errors messages for jobs that failed to evaluate.
+    my $msg = "";
+    foreach my $error (@{$jobs->{error}}) {
+        $msg .= "at `" . $error->{location} . "': " . $error->{msg} . "\n";
+    }
+    setJobsetError($jobset, $msg);
 }