diff --git a/CHANGELOG.md b/CHANGELOG.md
index 2902387f..77d5408e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,10 @@
 # ImageOptimize Changelog
 
+## 1.4.37 - 2018.08.09
+### Changed
+* Reverted an errant commit that removed a fix for propagating field data in multi-site environments
+* Ensure that `.webp` variants have fully qualified absolute URLs
+
 ## 1.4.36 - 2018.08.06
 ### Added
 * Added the ability to access each image variant's height
diff --git a/composer.json b/composer.json
index 89a11642..84b06e68 100644
--- a/composer.json
+++ b/composer.json
@@ -2,7 +2,7 @@
     "name": "nystudio107/craft-imageoptimize",
     "description": "Automatically create & optimize responsive image transforms, using either native Craft transforms or a service like Imgix, with zero template changes.",
     "type": "craft-plugin",
-    "version": "1.4.36",
+    "version": "1.4.37",
     "keywords": [
         "craft",
         "cms",
diff --git a/src/imagetransforms/CraftImageTransform.php b/src/imagetransforms/CraftImageTransform.php
index 17903352..74edd0db 100644
--- a/src/imagetransforms/CraftImageTransform.php
+++ b/src/imagetransforms/CraftImageTransform.php
@@ -14,7 +14,6 @@
 
 use Craft;
 use craft\elements\Asset;
-use craft\services\Assets;
 use craft\models\AssetTransform;
 
 /**
diff --git a/src/imagetransforms/ImageTransform.php b/src/imagetransforms/ImageTransform.php
index d61dcd1d..fc49206f 100644
--- a/src/imagetransforms/ImageTransform.php
+++ b/src/imagetransforms/ImageTransform.php
@@ -133,7 +133,7 @@ public static function appendExtension($pathOrUrl, $extension): string
         $new_path = $path_parts['filename'] . '.' . $path_parts['extension'] . $extension;
         if (!empty($path_parts['dirname']) && $path_parts['dirname'] !== '.') {
             $new_path = $path_parts['dirname'] . DIRECTORY_SEPARATOR . $new_path;
-            $new_path = preg_replace('#/+#', '/', $new_path);
+            $new_path = preg_replace('/([^:])(\/{2,})/', '$1/', $new_path);
         }
         $output = $path['prefix'] . $new_path . $path['suffix'];
 
diff --git a/src/services/OptimizedImages.php b/src/services/OptimizedImages.php
index f9f953b4..62ff3022 100644
--- a/src/services/OptimizedImages.php
+++ b/src/services/OptimizedImages.php
@@ -293,7 +293,7 @@ public function updateOptimizedImageFieldData(Field $field, ElementInterface $as
                     ->update($table, [
                         $column => $data,
                     ], [
-                        'id' => $asset->contentId,
+                        'elementId' => $asset->getId(),
                     ], [], false)
                     ->execute();
             }