diff --git a/lib/microvm.sh b/lib/microvm.sh
index 9a564aa..d8aa634 100644
--- a/lib/microvm.sh
+++ b/lib/microvm.sh
@@ -32,6 +32,8 @@ _microvm_runtime_auto() {
   elif check_command -s -- krunvm; then
     check_command buildah
     KRUNVM_RUNNER_RUNTIME="krunvm"
+  else
+    error "No suitable runtime found. Please install 'krun' or 'krunvm'"
   fi
   info "Automatically selected $KRUNVM_RUNNER_RUNTIME to handle microVMs"
 }