diff --git a/src/Organic/Organic.php b/src/Organic/Organic.php
index e61c884..39e68d0 100644
--- a/src/Organic/Organic.php
+++ b/src/Organic/Organic.php
@@ -20,6 +20,7 @@
 /**
  * Client Plugin for the Organic Platform
  */
+#[\AllowDynamicProperties]
 class Organic {
     public $version = \Organic\ORGANIC_PLUGIN_VERSION;
 
diff --git a/src/Organic/types.php b/src/Organic/types.php
index 53ee408..8d5265d 100644
--- a/src/Organic/types.php
+++ b/src/Organic/types.php
@@ -14,10 +14,10 @@ class AMP_BREAKPOINT {
     const XL = 1200;
 
     public static function minWidth( int $size ) {
-        return "(min-width: ${size}px)";
+        return "(min-width: {$size}px)";
     }
 
     public static function maxWidth( int $size ) {
-        return "(max-width: ${size}px)";
+        return "(max-width: {$size}px)";
     }
 }