diff --git a/src/main/java/org/springframework/data/redis/connection/jedis/JedisUtils.java b/src/main/java/org/springframework/data/redis/connection/jedis/JedisUtils.java
index 7bbeaab017..23969fcf49 100644
--- a/src/main/java/org/springframework/data/redis/connection/jedis/JedisUtils.java
+++ b/src/main/java/org/springframework/data/redis/connection/jedis/JedisUtils.java
@@ -90,7 +90,7 @@ public static DataAccessException convertJedisAccessException(RuntimeException e
 			return convertJedisAccessException((JedisException) ex);
 		}
 
-		return new RedisSystemException("Unknown exception", ex);
+		return null;
 	}
 
 	static DataAccessException convertJedisAccessException(IOException ex) {