diff --git a/test/palemoon/amd64/test.sh b/test/palemoon/amd64/test.sh
index dc093cc..44347e0 100755
--- a/test/palemoon/amd64/test.sh
+++ b/test/palemoon/amd64/test.sh
@@ -13,6 +13,11 @@ function capture_vnc_snapshots() {
   done
 }
 
+function timeout() {
+  sleep 180
+  exit 1
+}
+
 source ../../lib/lib.sh
 
 if [ "$GITHUB_ACTIONS" = "true" ]; then