diff --git a/mobile/src/terminal/TerminalWebView.tsx b/mobile/src/terminal/TerminalWebView.tsx
index d6672c4084a..c1fe7332467 100644
--- a/mobile/src/terminal/TerminalWebView.tsx
+++ b/mobile/src/terminal/TerminalWebView.tsx
@@ -316,7 +316,11 @@ const XTERM_HTML = `<!DOCTYPE html>
       ? containerHeightPx
       : window.innerHeight;
     var cols = Math.floor(vpWidth / cellWidth);
-    var rows = Math.max(8, Math.floor(vpHeight / cellHeight));
+    // Why: subtract one cellHeight of padding before dividing, so the
+    // last row never clips against the container's bottom edge. Without
+    // this, Math.floor can produce a row count where the final row's
+    // bottom pixels sit right at or past the visible boundary.
+    var rows = Math.max(8, Math.floor((vpHeight - cellHeight) / cellHeight));
     notify({ type: 'measure-result', cols: cols, rows: rows });
   }