diff --git a/frontend/src/components/shared/detail-split-layout.tsx b/frontend/src/components/shared/detail-split-layout.tsx
index 2b9de323..d9d5a022 100644
--- a/frontend/src/components/shared/detail-split-layout.tsx
+++ b/frontend/src/components/shared/detail-split-layout.tsx
@@ -22,7 +22,7 @@ export function DetailSplitLayout({
             >
                 <ResizablePanel
                     defaultSize="45%"
-                    minSize="30%"
+                    minSize={390}
                 >
                     <div className="bg-card h-full min-h-0 overflow-y-auto">
                         <Card className="mx-auto min-h-full w-full max-w-2xl rounded-none border-0">
@@ -33,7 +33,7 @@ export function DetailSplitLayout({
                 <ResizableHandle withHandle />
                 <ResizablePanel
                     defaultSize="55%"
-                    minSize="30%"
+                    minSize={390}
                 >
                     <div className={contentClassName}>{content}</div>
                 </ResizablePanel>
diff --git a/frontend/src/pages/flows/flow.tsx b/frontend/src/pages/flows/flow.tsx
index 0cc51a5b..a0a3137b 100644
--- a/frontend/src/pages/flows/flow.tsx
+++ b/frontend/src/pages/flows/flow.tsx
@@ -385,7 +385,7 @@ function Flow() {
                     >
                         <ResizablePanel
                             defaultSize="50%"
-                            minSize="30%"
+                            minSize={390}
                         >
                             <div className="flex h-[calc(100dvh-3rem)] max-w-full flex-col rounded-none border-0">
                                 <div className="flex-1 overflow-auto py-4 pr-0 pl-4">
@@ -398,7 +398,7 @@ function Flow() {
                         </ResizableHandle>
                         <ResizablePanel
                             defaultSize="50%"
-                            minSize="30%"
+                            minSize={390}
                         >
                             {tabsCard}
                         </ResizablePanel>