diff --git a/secure/simul_efun/query_limits.c b/secure/simul_efun/query_limits.c
new file mode 100644
index 0000000..ecbf390
--- /dev/null
+++ b/secure/simul_efun/query_limits.c
@@ -0,0 +1,14 @@
+/* This sefun is to provide a replacement for the efun query_limits().
+ * Feel free to add it to your mudlibs, if you have much code relying on that.
+ */
+
+#if ! __EFUN_DEFINED__(query_limits)
+
+#include <driver_info.h>
+
+varargs int* query_limits(int def)
+{
+    return efun::driver_info(def ? DC_DEFAULT_RUNTIME_LIMITS : DI_CURRENT_RUNTIME_LIMITS);
+}
+
+#endif