diff --git a/.gitignore b/.gitignore
index 39b8748..178300a 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,3 +11,4 @@ Gemfile.lock
 redis-objects-*.gem
 coverage/
 .DS_Store
+.idea/
diff --git a/lib/redis/list.rb b/lib/redis/list.rb
index 2b06f90..4ecf073 100644
--- a/lib/redis/list.rb
+++ b/lib/redis/list.rb
@@ -31,9 +31,9 @@ def push(*values)
     # Remove a member from the end of the list. Redis: RPOP
     def pop(n=nil)
       if n
-        result, = redis.multi do
-          redis.lrange(key, -n, -1)
-          redis.ltrim(key, 0, -n - 1)
+        result, = redis.multi do |pipeline|
+          pipeline.lrange(key, -n, -1)
+          pipeline.ltrim(key, 0, -n - 1)
         end
         unmarshal result
       else
@@ -65,9 +65,9 @@ def unshift(*values)
     # Remove a member from the start of the list. Redis: LPOP
     def shift(n=nil)
       if n
-        result, = redis.multi do
-          redis.lrange(key, 0, n - 1)
-          redis.ltrim(key, n, -1)
+        result, = redis.multi do |pipeline|
+          pipeline.lrange(key, 0, n - 1)
+          pipeline.ltrim(key, n, -1)
         end
         unmarshal result
       else
diff --git a/lib/redis/sorted_set.rb b/lib/redis/sorted_set.rb
index 5b7cac1..c6df6dc 100644
--- a/lib/redis/sorted_set.rb
+++ b/lib/redis/sorted_set.rb
@@ -204,11 +204,11 @@ def intersection(*sets)
       result = nil
       temp_key = :"#{key}:intersection:#{Time.current.to_i + rand}"
 
-      redis.multi do
+      redis.multi do |pipeline|
         interstore(temp_key, *sets)
-        redis.expire(temp_key, 1)
+        pipeline.expire(temp_key, 1)
 
-        result = redis.zrange(temp_key, 0, -1)
+        result = pipeline.zrange(temp_key, 0, -1)
       end
 
       result.value
@@ -241,11 +241,11 @@ def union(*sets)
       result = nil
       temp_key = :"#{key}:union:#{Time.current.to_i + rand}"
 
-      redis.multi do
+      redis.multi do |pipeline|
         unionstore(temp_key, *sets)
-        redis.expire(temp_key, 1)
+        pipeline.expire(temp_key, 1)
 
-        result = redis.zrange(temp_key, 0, -1)
+        result = pipeline.zrange(temp_key, 0, -1)
       end
 
       result.value