diff --git a/src/main/java/redis/clients/util/RedisOutputStream.java b/src/main/java/redis/clients/util/RedisOutputStream.java
index 5708d43..5398f36 100644
--- a/src/main/java/redis/clients/util/RedisOutputStream.java
+++ b/src/main/java/redis/clients/util/RedisOutputStream.java
@@ -187,7 +187,7 @@ public final class RedisOutputStream extends FilterOutputStream {
 
     public void writeIntCrLf(int value) throws IOException {
         if (value < 0) {
-            write('-');
+            write((byte)'-');
             value = -value;
         }