diff --git a/module/block/ui/productdocblock.html.php b/module/block/ui/productdocblock.html.php
index 1696d8a8d9..b277ab4935 100644
--- a/module/block/ui/productdocblock.html.php
+++ b/module/block/ui/productdocblock.html.php
@@ -57,7 +57,7 @@ statisticBlock
         set::bordered(false),
         set::horzScrollbarPos('inside'),
         set::cols(array_values($config->block->doc->dtable->fieldList)),
-        set::data(array_values($docGroup[$product->id])),
+        set::data(!empty($docGroup) && !empty($docGroup[$product->id]) ? array_values($docGroup[$product->id]) : array()),
         set::userMap($users),
     )
 );
diff --git a/module/block/ui/projectdocblock.html.php b/module/block/ui/projectdocblock.html.php
index ae74a80ca5..b7f759538b 100644
--- a/module/block/ui/projectdocblock.html.php
+++ b/module/block/ui/projectdocblock.html.php
@@ -57,7 +57,7 @@ statisticBlock
         set::bordered(false),
         set::horzScrollbarPos('inside'),
         set::cols(array_values($config->block->doc->dtable->fieldList)),
-        set::data(!empty($docGroup) ? array_values($docGroup[$project->id]) : array()),
+        set::data(!empty($docGroup) && !empty($docGroup[$project->id]) ? array_values($docGroup[$project->id]) : array()),
         set::userMap($users),
     )
 );