diff --git a/system/src/Grav/Common/Assets.php b/system/src/Grav/Common/Assets.php
index ad310dc15..833a34607 100644
--- a/system/src/Grav/Common/Assets.php
+++ b/system/src/Grav/Common/Assets.php
@@ -258,7 +258,7 @@ class Assets
             }
             return $this;
         } elseif (isset($this->collections[$asset])) {
-            $this->add($this->collections[$asset], $priority, $pipeline, $group);
+            $this->addCss($this->collections[$asset], $priority, $pipeline, $group);
             return $this;
         }
 
@@ -280,7 +280,7 @@ class Assets
         ];
 
         // check for dynamic array and merge with defaults
-        if (func_num_args() == 2) {
+        if (func_num_args() > 1) {
             $dynamic_arg = func_get_arg(1);
             if (is_array($dynamic_arg)) {
                 $data = array_merge($data, $dynamic_arg);
@@ -316,7 +316,7 @@ class Assets
             }
             return $this;
         } elseif (isset($this->collections[$asset])) {
-            $this->add($this->collections[$asset], $priority, $pipeline, $loading, $group);
+            $this->addJs($this->collections[$asset], $priority, $pipeline, $loading, $group);
             return $this;
         }
 
@@ -339,10 +339,10 @@ class Assets
         ];
 
         // check for dynamic array and merge with defaults
-        if (func_num_args() == 2) {
+        if (func_num_args() > 1) {
             $dynamic_arg = func_get_arg(1);
             if (is_array($dynamic_arg)) {
-               $data = array_merge($data, $dynamic_arg);
+                $data = array_merge($data, $dynamic_arg);
             }
         }