diff --git a/src/Control/SimpleResourceURLGenerator.php b/src/Control/SimpleResourceURLGenerator.php
index 5a825dbd6..502e504df 100644
--- a/src/Control/SimpleResourceURLGenerator.php
+++ b/src/Control/SimpleResourceURLGenerator.php
@@ -71,7 +71,7 @@ class SimpleResourceURLGenerator implements ResourceURLGenerator
             $relativePath = $resource->getRelativePath();
             $exists = $resource->exists();
             $absolutePath = $resource->getPath();
-        } else if (Director::is_absolute_url($relativePath)) {
+        } elseif (Director::is_absolute_url($relativePath)) {
             // Path is not relative, and probably not of this site
             return $relativePath;
         } else {