diff --git a/application/tables/ImportedrowsTable.php b/application/tables/ImportedrowsTable.php
index 8e69719b..64d72ff4 100644
--- a/application/tables/ImportedrowsTable.php
+++ b/application/tables/ImportedrowsTable.php
@@ -10,6 +10,7 @@ class ImportedrowsTable extends QuickTable
 {
     protected $columns;
 
+    /** @var ImportRun */
     protected $importRun;
 
     public function setImportRun(ImportRun $run)
@@ -28,6 +29,12 @@ class ImportedrowsTable extends QuickTable
     {
         if ($this->columns === null) {
             $cols = $this->importRun->listColumnNames();
+
+            $keyColumn = $this->importRun->importSource()->get('key_column');
+            if ($keyColumn !== null && ($pos = array_search($keyColumn, $cols)) !== false) {
+                unset($cols[$pos]);
+                array_unshift($cols, $keyColumn);
+            }
         } else {
             $cols = $this->columns;
         }
diff --git a/application/tables/ImportsourceHookTable.php b/application/tables/ImportsourceHookTable.php
index 17828dfa..42964692 100644
--- a/application/tables/ImportsourceHookTable.php
+++ b/application/tables/ImportsourceHookTable.php
@@ -10,6 +10,7 @@ use Icinga\Module\Director\Web\Table\QuickTable;
 
 class ImportsourceHookTable extends QuickTable
 {
+    /** @var  ImportSource */
     protected $source;
 
     protected $dataCache;
@@ -27,6 +28,13 @@ class ImportsourceHookTable extends QuickTable
             );
 
             sort($this->columnCache);
+
+            // prioritize key column
+            $keyColumn = $this->source->get('key_column');
+            if ($keyColumn !== null && ($pos = array_search($keyColumn, $this->columnCache)) !== false) {
+                unset($this->columnCache[$pos]);
+                array_unshift($this->columnCache, $keyColumn);
+            }
         }
 
         return $this->columnCache;
diff --git a/library/Director/Objects/ImportRun.php b/library/Director/Objects/ImportRun.php
index f339c2c5..2bef3257 100644
--- a/library/Director/Objects/ImportRun.php
+++ b/library/Director/Objects/ImportRun.php
@@ -12,6 +12,9 @@ class ImportRun extends DbObject
 
     protected $autoincKeyName = 'id';
 
+    /** @var ImportSource */
+    protected $importSource = null;
+
     protected $defaultProperties = array(
         'id'              => null,
         'source_id'       => null,
@@ -125,4 +128,12 @@ class ImportRun extends DbObject
 
         return $result;
     }
+
+    public function importSource()
+    {
+        if ($this->importSource === null) {
+            $this->importSource = ImportSource::load($this->get('source_id'), $this->connection);
+        }
+        return $this->importSource;
+    }
 }