diff --git a/src/main/java/redis/clients/jedis/BinaryJedisCommands.java b/src/main/java/redis/clients/jedis/BinaryJedisCommands.java
index 922c00d..77189f7 100644
--- a/src/main/java/redis/clients/jedis/BinaryJedisCommands.java
+++ b/src/main/java/redis/clients/jedis/BinaryJedisCommands.java
@@ -173,7 +173,7 @@ public interface BinaryJedisCommands {
     Long zremrangeByScore(byte[] key, double start, double end);
 
     Long zremrangeByScore(byte[] key, byte[] start, byte[] end);
-    
+
     Long linsert(byte[] key, LIST_POSITION where, byte[] pivot, byte[] value);
 
     Long objectRefcount(byte[] key);
@@ -181,4 +181,8 @@ public interface BinaryJedisCommands {
     Long objectIdletime(byte[] key);
 
     byte[] objectEncoding(byte[] key);
+
+    Long lpushx(byte[] key, byte[] string);
+
+    Long rpushx(byte[] key, byte[] string);
 }
diff --git a/src/main/java/redis/clients/jedis/BinaryShardedJedis.java b/src/main/java/redis/clients/jedis/BinaryShardedJedis.java
index 87eb1fc..c15efb0 100644
--- a/src/main/java/redis/clients/jedis/BinaryShardedJedis.java
+++ b/src/main/java/redis/clients/jedis/BinaryShardedJedis.java
@@ -190,6 +190,17 @@ public class BinaryShardedJedis extends Sharded<Jedis, JedisShardInfo>
 	return j.lpush(key, strings);
     }
 
+    public Long lpushx(byte[] key, byte[] string) {
+        Jedis j = getShard(key);
+        return j.lpushx(key, string);
+    }
+    
+
+    public Long rpushx(byte[] key, byte[] string) {
+        Jedis j = getShard(key);
+        return j.rpushx(key, string);
+    }
+
     public Long llen(byte[] key) {
 	Jedis j = getShard(key);
 	return j.llen(key);
diff --git a/src/main/java/redis/clients/jedis/JedisCommands.java b/src/main/java/redis/clients/jedis/JedisCommands.java
index c6ddf1e..3cb90e3 100644
--- a/src/main/java/redis/clients/jedis/JedisCommands.java
+++ b/src/main/java/redis/clients/jedis/JedisCommands.java
@@ -186,4 +186,8 @@ public interface JedisCommands {
 
     Long linsert(String key, Client.LIST_POSITION where, String pivot,
             String value);
+    
+    Long lpushx(String key, String string);
+    
+    Long rpushx(String key, String string); 
 }
diff --git a/src/main/java/redis/clients/jedis/ShardedJedis.java b/src/main/java/redis/clients/jedis/ShardedJedis.java
index 507868c..fd66fef 100644
--- a/src/main/java/redis/clients/jedis/ShardedJedis.java
+++ b/src/main/java/redis/clients/jedis/ShardedJedis.java
@@ -207,6 +207,16 @@ public class ShardedJedis extends BinaryShardedJedis implements JedisCommands {
 	Jedis j = getShard(key);
 	return j.lpush(key, strings);
     }
+    
+    public Long lpushx(String key, String string) {
+        Jedis j = getShard(key);
+        return j.lpushx(key, string);
+    }
+    
+    public Long rpushx(String key, String string) {
+        Jedis j = getShard(key);
+        return j.rpushx(key, string);
+    }
 
     public Long llen(String key) {
 	Jedis j = getShard(key);