1 files changed, 8 insertions, 6 deletions

diff --git a/src/_props.scss b/src/_props.scss
index 5099ab2..0bca5a3 100644
--- a/src/_props.scss
+++ b/src/_props.scss
@@ -98,12 +98,14 @@
         }
     } @else if meta.type-of($ref) == 'list' {
         @each $r in $ref {
-            $name:  list.nth($r, 2);
-            $value: get(list.nth($r, 3));
-            $meta:  get(list.nth($r, 4));
-    
-            @if $meta == $match-meta {
-                @include materialize-helper($name, $value);
+            @if is-prop-ref($r) {
+                $name:  list.nth($r, 2);
+                $value: get(list.nth($r, 3));
+                $meta:  get(list.nth($r, 4));
+        
+                @if $meta == $match-meta {
+                    @include materialize-helper($name, $value);
+                }
             }
         }
     }