diff --git a/packages/main/src/themes/base/Panel-parameters.css b/packages/main/src/themes/base/Panel-parameters.css
index 83e6c4ca1a07..b5364e7da86a 100644
--- a/packages/main/src/themes/base/Panel-parameters.css
+++ b/packages/main/src/themes/base/Panel-parameters.css
@@ -6,7 +6,7 @@
 	--_ui5_panel_border_radius: 0px;
 	--_ui5_panel_border_radius_expanded: 0;
 	--_ui5_panel_default_header_border: none;
-	--_ui5_panel_border_bottom: 0.0625rem solid var(--sapGroup_TitleBorderColor);
+	--_ui5_panel_border_bottom: var(--sapGroup_TitleBorderWidth) solid var(--sapGroup_TitleBorderColor);
 	--_ui5_panel_outline_offset: -3px;
 	--_ui5_panel_icon_color: var(--sapContent_IconColor);
 	--_ui5_panel_header_padding_right: 0.5rem;
diff --git a/packages/main/src/themes/sap_horizon/Panel-parameters.css b/packages/main/src/themes/sap_horizon/Panel-parameters.css
index 07a112b601c2..307c207f0310 100644
--- a/packages/main/src/themes/sap_horizon/Panel-parameters.css
+++ b/packages/main/src/themes/sap_horizon/Panel-parameters.css
@@ -1,7 +1,7 @@
 @import "../base/Panel-parameters.css";
 
 :root {
-	--_ui5_panel_border_radius: var(--sapElement_BorderCornerRadius);
+	--_ui5_panel_border_radius: var(--sapGroup_BorderCornerRadius);
 	--_ui5_panel_border_bottom: none;
 	--_ui5_panel_default_header_border: 0.0625rem solid var(--sapGroup_TitleBorderColor);
 	--_ui5_panel_outline_offset: -0.125rem;
diff --git a/packages/main/src/themes/sap_horizon_dark/Panel-parameters.css b/packages/main/src/themes/sap_horizon_dark/Panel-parameters.css
index 07a112b601c2..307c207f0310 100644
--- a/packages/main/src/themes/sap_horizon_dark/Panel-parameters.css
+++ b/packages/main/src/themes/sap_horizon_dark/Panel-parameters.css
@@ -1,7 +1,7 @@
 @import "../base/Panel-parameters.css";
 
 :root {
-	--_ui5_panel_border_radius: var(--sapElement_BorderCornerRadius);
+	--_ui5_panel_border_radius: var(--sapGroup_BorderCornerRadius);
 	--_ui5_panel_border_bottom: none;
 	--_ui5_panel_default_header_border: 0.0625rem solid var(--sapGroup_TitleBorderColor);
 	--_ui5_panel_outline_offset: -0.125rem;