diff --git a/check-versions b/check-versions
deleted file mode 100755
index e91823a..0000000
Binary files a/check-versions and /dev/null differ
diff --git a/check-versions.go b/check-versions.go
index 1f30325..9743e9d 100644
--- a/check-versions.go
+++ b/check-versions.go
@@ -31,10 +31,9 @@ func execute(cmdstr string) {
 }
 
 func main() {
-	execute("/usr/sbin/lsof -iTCP -sTCP:LISTEN")
+	execute("/usr/sbin/lsof -iTCP -sTCP:LISTEN -P")
 	execute("gcc --version")
 	execute("java -version")
 	execute("python3 --version")
 	execute("php --version")
-
 }