diff --git a/patches.d/field_group-php7-2661484-2.patch b/patches.d/field_group-php7-2661484-2.patch
new file mode 100644
index 00000000..87654f2c
--- /dev/null
+++ b/patches.d/field_group-php7-2661484-2.patch
@@ -0,0 +1,13 @@
+diff --git a/field_group.module b/field_group.module
+index 412825f..4061519 100644
+--- a/field_group.module
++++ b/field_group.module
+@@ -2258,7 +2258,7 @@ function field_group_field_group_to_hook_code($data, $module) {
+   $code .= "  \${$export['identifier']}s = array();\n\n";
+   foreach ($objects as $object) {
+     $code .= ctools_export_object('field_group', $object, '  ');
+-    $code .= "  \${$export['identifier']}s['" . check_plain($object->$export['key']) . "'] = \${$export['identifier']};\n\n";
++    $code .= "  \${$export['identifier']}s['" . check_plain($object->{$export['key']}) . "'] = \${$export['identifier']};\n\n";
+     if (!empty($object->data['label'])) {
+       $translatables[] =  $object->data['label'];
+     }
diff --git a/patches.md b/patches.md
new file mode 100644
index 00000000..325a3d7b
--- /dev/null
+++ b/patches.md
@@ -0,0 +1,3 @@
+# Field group
+compatibility with php 7   
+https://www.drupal.org/node/2661484
diff --git a/sites/all/modules/contrib/fields/field_group/field_group.module b/sites/all/modules/contrib/fields/field_group/field_group.module
index 412825f4..4061519f 100644
--- a/sites/all/modules/contrib/fields/field_group/field_group.module
+++ b/sites/all/modules/contrib/fields/field_group/field_group.module
@@ -2258,7 +2258,7 @@ function field_group_field_group_to_hook_code($data, $module) {
   $code .= "  \${$export['identifier']}s = array();\n\n";
   foreach ($objects as $object) {
     $code .= ctools_export_object('field_group', $object, '  ');
-    $code .= "  \${$export['identifier']}s['" . check_plain($object->$export['key']) . "'] = \${$export['identifier']};\n\n";
+    $code .= "  \${$export['identifier']}s['" . check_plain($object->{$export['key']}) . "'] = \${$export['identifier']};\n\n";
     if (!empty($object->data['label'])) {
       $translatables[] =  $object->data['label'];
     }