diff --git a/system/src/Grav/Common/Assets.php b/system/src/Grav/Common/Assets.php
index ac096080e..1703470a2 100644
--- a/system/src/Grav/Common/Assets.php
+++ b/system/src/Grav/Common/Assets.php
@@ -251,7 +251,7 @@ class Assets
             }
             return $this;
         } elseif (isset($this->collections[$asset])) {
-            $this->addCss($this->collections[$asset], $priority, $pipeline, $group);
+            $this->add($this->collections[$asset], $priority, $pipeline, $group);
             return $this;
         }
 
@@ -273,7 +273,7 @@ class Assets
         ];
 
         // check for dynamic array and merge with defaults
-        if (func_num_args() == 2) {
+        if (func_num_args() == 3) {
             $dynamic_arg = func_get_arg(1);
             if (is_array($dynamic_arg)) {
                 $data = array_merge($data, $dynamic_arg);
@@ -309,7 +309,7 @@ class Assets
             }
             return $this;
         } elseif (isset($this->collections[$asset])) {
-            $this->addJs($this->collections[$asset], $priority, $pipeline, $loading, $group);
+            $this->add($this->collections[$asset], $priority, $pipeline, $loading, $group);
             return $this;
         }
 
@@ -332,7 +332,7 @@ class Assets
         ];
 
         // check for dynamic array and merge with defaults
-        if (func_num_args() == 2) {
+        if (func_num_args() == 3) {
             $dynamic_arg = func_get_arg(1);
             if (is_array($dynamic_arg)) {
                $data = array_merge($data, $dynamic_arg);