diff --git a/lib/lxc.sh b/lib/lxc.sh
index 5c8c1fb..922931f 100644
--- a/lib/lxc.sh
+++ b/lib/lxc.sh
@@ -252,5 +252,5 @@ CLEAN_SWAPFILES() {
 }
 
 RUN_INSIDE_LXC() {
-    lxc exec $LXC_NAME -- "$@"
+    timeout 300 lxc exec $LXC_NAME -- "$@"
 }