diff --git a/paragraph_panes.module b/paragraph_panes.module
index aeedcbb..7b66472 100644
--- a/paragraph_panes.module
+++ b/paragraph_panes.module
@@ -111,7 +111,7 @@ function _paragraph_panes_sanitize_values(array $field_values) {
     $value_key_found = FALSE;
     if (is_array($field_value)) {
       foreach ($value_keys as $value_key) {
-        if (array_key_exists($value_key, $field_value)) {
+        if (array_key_exists($value_key, $field_value) && $field_value[$value_key]) {
           $value_key_found = TRUE;
         }
       }