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 ba14ccc403..8cd619c582 100644
--- a/src/main/java/com/alibaba/druid/proxy/jdbc/PreparedStatementProxyImpl.java
+++ b/src/main/java/com/alibaba/druid/proxy/jdbc/PreparedStatementProxyImpl.java
@@ -110,6 +110,9 @@ public class PreparedStatementProxyImpl extends StatementProxyImpl implements Pr
         if (parametersSize >= parameters.length) {
             int oldCapacity = parameters.length;
             int newCapacity = oldCapacity + (oldCapacity >> 1);
+            if (newCapacity == 0) {
+                newCapacity = 4;
+            }
 
             parameters = Arrays.copyOf(parameters, newCapacity);
         }