diff --git a/src/main/ts/ps.ts b/src/main/ts/ps.ts
index 75ee7b5..ca4fcec 100644
--- a/src/main/ts/ps.ts
+++ b/src/main/ts/ps.ts
@@ -106,7 +106,7 @@ export const parseProcessList = (output: string, query: TPsLookupQuery = {}) =>
 export const extractWmic = (stdout: string): string => {
   const _stdout = stdout.split(EOL)
   // Find the line index for the titles
-  const beginRow = _stdout.findIndex((out) => out.indexOf('CommandLine') === 0)
+  const beginRow = _stdout.findIndex(out => out?.indexOf('CommandLine') === 0)
 
   // get rid of the start (copyright) and the end (current pwd)
   // eslint-disable-next-line unicorn/prefer-negative-index