diff --git a/src/cli.ts b/src/cli.ts
index 8c9c9ce..5f0e7f0 100644
--- a/src/cli.ts
+++ b/src/cli.ts
@@ -17,7 +17,7 @@ if (cmd && cmd[0] !== '-') {
   if (cmd == helpArg) {
     cmd = 'default'
   } else {
-    const aliases = {
+    const aliases: Record<string, string> = {
       ls: 'list',
       rm: 'remove',
       mv: 'move',
diff --git a/src/commands/exec.ts b/src/commands/exec.ts
index 5ecc9da..9bf55ec 100644
--- a/src/commands/exec.ts
+++ b/src/commands/exec.ts
@@ -36,6 +36,6 @@ export default async (cfg: RootConfig) => {
 function injectEnv(cmd: string, env: object) {
   const envUnixRegex = /\$(\w+)/g
   return cmd.replace(envUnixRegex, (_, name) => {
-    return env[name] || ''
+    return (env as any)[name] || ''
   })
 }
diff --git a/src/core/printHelp.ts b/src/core/printHelp.ts
index a007896..db41e64 100644
--- a/src/core/printHelp.ts
+++ b/src/core/printHelp.ts
@@ -23,7 +23,7 @@ export function printHelp(cmdPath: string) {
         close = opened.length && name == opened[0].name ? '/' : ''
       }
       if (close) {
-        const text = k[opened[0].name](
+        const text = k[opened[0].name as 'red'](
           opened[0].text + rawHelp.slice(opened[0].index, match.index)
         )
         lastIndex = match.index + match[0].length