diff --git a/snmpsim/commands/responder_lite.py b/snmpsim/commands/responder_lite.py
index bfa3fe9..6eab5a5 100644
--- a/snmpsim/commands/responder_lite.py
+++ b/snmpsim/commands/responder_lite.py
@@ -299,7 +299,7 @@ def get_bulk_handler(
         R = max(len(req_var_binds) - N, 0)
 
         if R:
-            M = min(M, args.max_var_binds / R)
+            M = min(M, int(args.max_var_binds / R))
 
         if N:
             rsp_var_binds = read_next_vars(req_var_binds[:N])