diff --git a/src/captcha/hcaptcha-solver.ts b/src/captcha/hcaptcha-solver.ts
index 18ae718..856e550 100644
--- a/src/captcha/hcaptcha-solver.ts
+++ b/src/captcha/hcaptcha-solver.ts
@@ -12,8 +12,7 @@ import { SolverOptions } from '.'
 
 export default async function solve({ url }: SolverOptions): Promise<string> {
   try {
-    const token = await solveCaptcha(url)
-    return token
+    return await solveCaptcha(url)
   } catch (e) {
     console.error(e)
     return null
diff --git a/src/log.ts b/src/log.ts
index 915cad6..443adad 100644
--- a/src/log.ts
+++ b/src/log.ts
@@ -1,6 +1,6 @@
 let requests = 0
 
-const LOG_HTML: boolean = Boolean(process.env.LOG_HTML) || false
+const LOG_HTML: boolean = process.env.LOG_HTML == 'true';
 
 export default {
   incRequests: () => { requests++ },
@@ -9,10 +9,10 @@ export default {
       this.debug(html)
   },
   ...require('console-log-level')(
-    {
-      level: process.env.LOG_LEVEL || 'info',
+    {level: process.env.LOG_LEVEL || 'info',
       prefix(level: string) {
-        return `${new Date().toISOString()} ${level.toUpperCase()} REQ-${requests}`
+        const req = (requests > 0) ? ` REQ-${requests}` : '';
+        return `${new Date().toISOString()} ${level.toUpperCase()}${req}`
       }
     }
   )
diff --git a/src/providers/cloudflare.ts b/src/providers/cloudflare.ts
index 2b35775..6550cb3 100644
--- a/src/providers/cloudflare.ts
+++ b/src/providers/cloudflare.ts
@@ -117,7 +117,7 @@ export default async function resolveChallenge(url: string, page: Page, response
 
         // ignore preset event listeners on the form
         await page.evaluate(() => {
-          window.addEventListener('submit', (e) => { event.stopPropagation() }, true)
+          window.addEventListener('submit', (e) => { e.stopPropagation() }, true)
         })
 
         // it seems some sites obfuscate their challenge forms
diff --git a/src/routes.ts b/src/routes.ts
index 8fcca22..c71a28e 100644
--- a/src/routes.ts
+++ b/src/routes.ts
@@ -180,18 +180,17 @@ async function setupPage(ctx: RequestContext, params: BaseRequestAPICall, browse
   }
 
   if (headers) {
-    log.debug(`Adding custom headers: ${JSON.stringify(headers, null, 2)}`,)
+    log.debug(`Adding custom headers: ${JSON.stringify(headers)}`)
     overrideResolvers.headers = request => Object.assign(request.headers(), headers)
   }
 
   if (cookies) {
-    log.debug(`Setting custom cookies: ${JSON.stringify(cookies, null, 2)}`,)
+    log.debug(`Setting custom cookies: ${JSON.stringify(cookies)}`)
     await page.setCookie(...cookies)
   }
 
   // if any keys have been set on the object
   if (Object.keys(overrideResolvers).length > 0) {
-    log.debug(overrideResolvers)
     let callbackRunOnce = false
     const callback = (request: Request) => {
 
@@ -208,8 +207,7 @@ async function setupPage(ctx: RequestContext, params: BaseRequestAPICall, browse
         overrides[key] = overrideResolvers[key](request)
       });
 
-      log.debug(overrides)
-
+      log.debug(`Overrides: ${JSON.stringify(overrides)}`)
       request.continue(overrides)
     }
 
@@ -253,7 +251,9 @@ const browserRequest = async (ctx: RequestContext, params: BaseRequestAPICall) =
     log.error(error)
     return ctx.errorResponse("Unable to process browser request. Error: " + error)
   } finally {
-    if (oneTimeSession) { sessions.destroy(sessionId) }
+    if (oneTimeSession) {
+      await sessions.destroy(sessionId)
+    }
   }
 }
 
diff --git a/src/session.ts b/src/session.ts
index 3921917..aea6d8b 100644
--- a/src/session.ts
+++ b/src/session.ts
@@ -82,7 +82,7 @@ export default {
       puppeteerOptions.executablePath = path.join(path.dirname(process.execPath), 'chrome', exe)
     }
 
-    log.debug('Launching headless browser...')
+    log.debug('Launching browser...')
 
     // TODO: maybe access env variable?
     // TODO: sometimes browser instances are created and not connected to correctly.