diff --git a/ui-tui/src/components/appLayout.tsx b/ui-tui/src/components/appLayout.tsx
index b53c7b6673..2c5f2d936b 100644
--- a/ui-tui/src/components/appLayout.tsx
+++ b/ui-tui/src/components/appLayout.tsx
@@ -205,6 +205,16 @@ const ComposerPane = memo(function ComposerPane({
             ))}
 
             <Box position="relative">
+              <Box
+                height={inputHeight}
+                left={-1}
+                onMouseDown={captureInputDrag}
+                onMouseDrag={dragIntoInput}
+                onMouseUp={() => inputMouseRef.current?.end()}
+                position="absolute"
+                width={1}
+              />
+
               <Box onMouseDown={captureInputDrag} onMouseDrag={dragIntoInput} onMouseUp={() => inputMouseRef.current?.end()} width={pw}>
                 {sh ? (
                   <Text color={ui.theme.color.shellDollar}>$ </Text>