diff --git a/packages/ketchup/src/components/kup-dropdown-button/styles/kup-dropdown-button-main.scss b/packages/ketchup/src/components/kup-dropdown-button/styles/kup-dropdown-button-main.scss
index 85c816a53f..effae66cba 100644
--- a/packages/ketchup/src/components/kup-dropdown-button/styles/kup-dropdown-button-main.scss
+++ b/packages/ketchup/src/components/kup-dropdown-button/styles/kup-dropdown-button-main.scss
@@ -14,8 +14,8 @@
 
 .f-button.dropdown-button__primary-action {
   .button {
-    border-top-right-radius: 0;
-    border-bottom-right-radius: 0;
+    border-top-right-radius: var(--kup-radius-00);
+    border-bottom-right-radius: var(--kup-radius-00);
 
     &.button--outlined,
     &.button--raised {
@@ -28,6 +28,7 @@
   .button {
     border-top-left-radius: var(--kup-radius-00);
     border-bottom-left-radius: var(--kup-radius-00);
+    box-shadow: none;
   }
 }
 
diff --git a/packages/ketchup/src/dropdown-button.html b/packages/ketchup/src/dropdown-button.html
index bfa974ccb1..eecd6451ff 100644
--- a/packages/ketchup/src/dropdown-button.html
+++ b/packages/ketchup/src/dropdown-button.html
@@ -83,6 +83,11 @@ <h1>Dropdown button</h1>
             styling="flat"
             icon="document"
         ></kup-dropdown-button>
+        <kup-dropdown-button
+            id="ddb9"
+            styling="flat"
+            icon="document"
+        ></kup-dropdown-button>
 
         <kup-button
             id="fab-debug"