diff --git a/examples/pomodoro-timer/src/index.tsx b/examples/pomodoro-timer/src/index.tsx
index cad749f32..6444f948d 100644
--- a/examples/pomodoro-timer/src/index.tsx
+++ b/examples/pomodoro-timer/src/index.tsx
@@ -182,7 +182,7 @@ class GradientProgressBar extends Widget {
 
         const attrs = styleToCellAttrs(this._style);
 
-        const label = this._showLabel ? ` ${Math.round(this._value * 100)}%` : '';
+        const label = this._showLabel ? ` ${Math.round(this._value * 100 + Number.EPSILON)}%` : '';
         const barWidth = Math.max(0, width - label.length);
         const filled = this._value <= 0 ? 0 : Math.round(barWidth * this._value);
         const empty = barWidth - filled;
diff --git a/examples/rss-reader/src/index.tsx b/examples/rss-reader/src/index.tsx
index 2b269cb81..5ff542b3f 100644
--- a/examples/rss-reader/src/index.tsx
+++ b/examples/rss-reader/src/index.tsx
@@ -27,7 +27,7 @@ function decodeEntities(value: string): string {
 
   return value.replace(/&(#x?[0-9a-fA-F]+|[a-zA-Z]+);/g, (match, entity: string) => {
     if (entity.startsWith('#x')) {
-      const codePoint = Number.parseInt(entity.slice(2), 16);
+      const codePoint = Number.parseInt(entity.slice(2, 10), 16);
       return Number.isFinite(codePoint) ? String.fromCodePoint(codePoint) : match;
     }
 
diff --git a/packages/ui/src/prompts.ts b/packages/ui/src/prompts.ts
index b92bb28ba..b248a6ac4 100644
--- a/packages/ui/src/prompts.ts
+++ b/packages/ui/src/prompts.ts
@@ -113,7 +113,7 @@ async function promptSelect<T = string>(options: SelectPromptOptions<T>): Promis
                     return;
                 }
                 const n = parseInt(trimmed, 10);
-                if (!isNaN(n) && n >= 1 && n <= choices.length) {
+                if (!Number.isNaN(n) && n >= 1 && n <= choices.length) {
                     rl.close();
                     resolve(choices[n - 1].value);
                     return;