diff --git a/attach-pid b/attach-pid
index 4e276ede..c91d6152 100755
--- a/attach-pid
+++ b/attach-pid
@@ -1,8 +1,9 @@
 #!/usr/bin/env bash
 
-proc=$1
-
-echo Attaching to "$proc"
+proc=${1:-$(ps $(pidof gameoverlayui) | tail -n1 | cut -d\- -f2 | cut -d\  -f2)}
+if ! [[ $proc =~ ^[0-9]+$ ]]; then
+   echo "Couldn't find process! Are you sure a game is running?" >&2; exit 1
+fi
 
 if grep -q "$(realpath bin/libcathook.so)" /proc/"$proc"/maps; then
   echo already loaded