diff --git a/src/main/java/org/springframework/data/redis/connection/DefaultStringRedisConnection.java b/src/main/java/org/springframework/data/redis/connection/DefaultStringRedisConnection.java
index fe863d67e..19179ad55 100644
--- a/src/main/java/org/springframework/data/redis/connection/DefaultStringRedisConnection.java
+++ b/src/main/java/org/springframework/data/redis/connection/DefaultStringRedisConnection.java
@@ -998,8 +998,8 @@ public class DefaultStringRedisConnection implements StringRedisConnection {
 	}
 
 	
-	public void sDiffStore(String destKey, String... keys) {
-		delegate.sDiffStore(serialize(destKey), serializeMulti(keys));
+	public Long sDiffStore(String destKey, String... keys) {
+		return delegate.sDiffStore(serialize(destKey), serializeMulti(keys));
 	}
 
 	
@@ -1033,8 +1033,8 @@ public class DefaultStringRedisConnection implements StringRedisConnection {
 	}
 
 	
-	public void sInterStore(String destKey, String... keys) {
-		delegate.sInterStore(serialize(destKey), serializeMulti(keys));
+	public Long sInterStore(String destKey, String... keys) {
+		return delegate.sInterStore(serialize(destKey), serializeMulti(keys));
 	}
 
 	
@@ -1106,8 +1106,8 @@ public class DefaultStringRedisConnection implements StringRedisConnection {
 	}
 
 	
-	public void sUnionStore(String destKey, String... keys) {
-		delegate.sUnionStore(serialize(destKey), serializeMulti(keys));
+	public Long sUnionStore(String destKey, String... keys) {
+		return delegate.sUnionStore(serialize(destKey), serializeMulti(keys));
 	}
 
 	
diff --git a/src/main/java/org/springframework/data/redis/connection/StringRedisConnection.java b/src/main/java/org/springframework/data/redis/connection/StringRedisConnection.java
index f36ec121a..50c3f7b3c 100644
--- a/src/main/java/org/springframework/data/redis/connection/StringRedisConnection.java
+++ b/src/main/java/org/springframework/data/redis/connection/StringRedisConnection.java
@@ -173,15 +173,15 @@ public interface StringRedisConnection extends RedisConnection {
 
 	Set<String> sInter(String... keys);
 
-	void sInterStore(String destKey, String... keys);
+	Long sInterStore(String destKey, String... keys);
 
 	Set<String> sUnion(String... keys);
 
-	void sUnionStore(String destKey, String... keys);
+	Long sUnionStore(String destKey, String... keys);
 
 	Set<String> sDiff(String... keys);
 
-	void sDiffStore(String destKey, String... keys);
+	Long sDiffStore(String destKey, String... keys);
 
 	Set<String> sMembers(String key);