diff --git a/lib/cmap/connection_pool.js b/lib/cmap/connection_pool.js
index ac357b5a7c..51ab907ada 100644
--- a/lib/cmap/connection_pool.js
+++ b/lib/cmap/connection_pool.js
@@ -362,7 +362,7 @@ class ConnectionPool extends EventEmitter {
 }
 
 function ensureMinPoolSize(pool) {
-  if (pool.closed) {
+  if (pool.closed || pool.options.minPoolSize === 0) {
     return;
   }