diff --git a/src/main/java/com/alibaba/druid/proxy/jdbc/PreparedStatementProxyImpl.java b/src/main/java/com/alibaba/druid/proxy/jdbc/PreparedStatementProxyImpl.java
index 8cd619c582..d9c07a2c06 100644
--- a/src/main/java/com/alibaba/druid/proxy/jdbc/PreparedStatementProxyImpl.java
+++ b/src/main/java/com/alibaba/druid/proxy/jdbc/PreparedStatementProxyImpl.java
@@ -110,7 +110,7 @@ public class PreparedStatementProxyImpl extends StatementProxyImpl implements Pr
         if (parametersSize >= parameters.length) {
             int oldCapacity = parameters.length;
             int newCapacity = oldCapacity + (oldCapacity >> 1);
-            if (newCapacity == 0) {
+            if (newCapacity <= 4) {
                 newCapacity = 4;
             }