diff --git a/models/ParameterForm.php b/models/ParameterForm.php
index 683e8a9..84dc013 100644
--- a/models/ParameterForm.php
+++ b/models/ParameterForm.php
@@ -55,11 +55,22 @@ class ParameterForm extends Model
         if ($param->type == 2) {
             if ($this->icon) {
                 $icon = Image::fromUploadedFile($this->icon);
-                $param->icon = $icon->id;
+
+                // https://rent4health.com/wp-content/uploads/2020/02/Under-arm-crutches-1.png
+                if ($param->getAttribute('icon') !== null) {
+                    $param->icon = $icon->id;
+                } else {
+                    $param->setAttribute('icon', $icon->id);
+                }
             }
             if ($this->iconGray) {
                 $iconGray = Image::fromUploadedFile($this->iconGray);
-                $param->iconGray = $iconGray->id;
+
+                if ($param->getAttribute('icon_gray') !== null) {
+                    $param->iconGray = $iconGray->id;
+                } else {
+                    $param->setAttribute('icon_gray', $iconGray->id);
+                }
             }
 
             $param->setAttributes([