diff --git a/lib/vn-parser.ts b/lib/vn-parser.ts
index 2c811fc..cc5d757 100644
--- a/lib/vn-parser.ts
+++ b/lib/vn-parser.ts
@@ -211,8 +211,8 @@ export function parseScript(text: string): Statement[] {
       continue;
     }
 
-    const words = line.match(/(?:[^\s"]+|"[^"]*")+/g) || [];
-    let cmd = words[0];
+    const words: string[] = line.match(/(?:[^\s"]+|"[^"]*")+/g) || [];
+    const cmd = words[0];
 
     if (cmd === 'label') {
       statements.push({