diff --git a/src/lib/Hydra/Controller/User.pm b/src/lib/Hydra/Controller/User.pm
index a8f5a82f..21476499 100644
--- a/src/lib/Hydra/Controller/User.pm
+++ b/src/lib/Hydra/Controller/User.pm
@@ -306,7 +306,7 @@ sub dashboard :Chained('user') :Args(0) {
         my @builds = $j->job->builds->search(
             { },
             { rows => 20, order_by => "id desc" });
-        push $c->stash->{starredJobs}, { job => $j->job, builds => [@builds] };
+        push @{$c->stash->{starredJobs}}, { job => $j->job, builds => [@builds] };
     }
 }
 
diff --git a/src/lib/Hydra/View/NixExprs.pm b/src/lib/Hydra/View/NixExprs.pm
index 552a7c36..52ef6b2e 100644
--- a/src/lib/Hydra/View/NixExprs.pm
+++ b/src/lib/Hydra/View/NixExprs.pm
@@ -59,7 +59,7 @@ EOF
         $res .= "else " if !$first;
         $res .= "if system == ${\escape $system} then {\n\n";
 
-        foreach my $job (keys $perSystem{$system}) {
+        foreach my $job (keys %{$perSystem{$system}}) {
             my $pkg = $perSystem{$system}->{$job};
             my $build = $pkg->{build};
             $res .= "  # Hydra build ${\$build->id}\n";
@@ -78,7 +78,7 @@ EOF
                 if $build->maintainers;
             $res .= "    };\n";
             $res .= "  } {\n";
-            my @outputNames = sort (keys $pkg->{outputs});
+            my @outputNames = sort (keys %{$pkg->{outputs}});
             $res .= "    ${\escape $_} = ${\escape $pkg->{outputs}->{$_}};\n" foreach @outputNames;
             my $out = defined $pkg->{outputs}->{"out"} ? "out" : $outputNames[0];
             $res .= "  }).$out;\n\n";