diff --git a/memcache/memcache_test.go b/memcache/memcache_test.go
index 82d262f6..f2ca81b8 100644
--- a/memcache/memcache_test.go
+++ b/memcache/memcache_test.go
@@ -30,7 +30,7 @@ func Test_Memcache_Set_Override(t *testing.T) {
 	err := testStore.Set(key, val, 0)
 	utils.AssertEqual(t, nil, err)
 
-	err := testStore.Set(key, val, 0)
+	err = testStore.Set(key, val, 0)
 	utils.AssertEqual(t, nil, err)
 }
 
diff --git a/memory/memory_test.go b/memory/memory_test.go
index a71bc531..4f1e476b 100644
--- a/memory/memory_test.go
+++ b/memory/memory_test.go
@@ -30,7 +30,7 @@ func Test_Memory_Set_Override(t *testing.T) {
 	err := testStore.Set(key, val, 0)
 	utils.AssertEqual(t, nil, err)
 
-	err := testStore.Set(key, val, 0)
+	err = testStore.Set(key, val, 0)
 	utils.AssertEqual(t, nil, err)
 }
 
diff --git a/mongodb/mongodb_test.go b/mongodb/mongodb_test.go
index 741911e7..30b2c6ec 100644
--- a/mongodb/mongodb_test.go
+++ b/mongodb/mongodb_test.go
@@ -32,7 +32,7 @@ func Test_MongoDB_Set_Override(t *testing.T) {
 	err := testStore.Set(key, val, 0)
 	utils.AssertEqual(t, nil, err)
 
-	err := testStore.Set(key, val, 0)
+	err = testStore.Set(key, val, 0)
 	utils.AssertEqual(t, nil, err)
 }
 
diff --git a/mysql/mysql_test.go b/mysql/mysql_test.go
index d3c5c872..a44f2e6a 100644
--- a/mysql/mysql_test.go
+++ b/mysql/mysql_test.go
@@ -36,7 +36,7 @@ func Test_MYSQL_Set_Override(t *testing.T) {
 	err := testStore.Set(key, val, 0)
 	utils.AssertEqual(t, nil, err)
 
-	err := testStore.Set(key, val, 0)
+	err = testStore.Set(key, val, 0)
 	utils.AssertEqual(t, nil, err)
 }
 
diff --git a/postgres/postgres_test.go b/postgres/postgres_test.go
index 99940446..066e755c 100644
--- a/postgres/postgres_test.go
+++ b/postgres/postgres_test.go
@@ -36,7 +36,7 @@ func Test_Postgres_Set_Override(t *testing.T) {
 	err := testStore.Set(key, val, 0)
 	utils.AssertEqual(t, nil, err)
 
-	err := testStore.Set(key, val, 0)
+	err = testStore.Set(key, val, 0)
 	utils.AssertEqual(t, nil, err)
 }
 
diff --git a/redis/redis_test.go b/redis/redis_test.go
index 2fbb6235..0babb1c7 100644
--- a/redis/redis_test.go
+++ b/redis/redis_test.go
@@ -32,7 +32,7 @@ func Test_Redis_Set_Override(t *testing.T) {
 	err := testStore.Set(key, val, 0)
 	utils.AssertEqual(t, nil, err)
 
-	err := testStore.Set(key, val, 0)
+	err = testStore.Set(key, val, 0)
 	utils.AssertEqual(t, nil, err)
 }
 
diff --git a/sqlite3/sqlite3_test.go b/sqlite3/sqlite3_test.go
index 68e68bc6..6c2ae3a0 100644
--- a/sqlite3/sqlite3_test.go
+++ b/sqlite3/sqlite3_test.go
@@ -33,7 +33,7 @@ func Test_SQLite3_Set_Override(t *testing.T) {
 	err := testStore.Set(key, val, 0)
 	utils.AssertEqual(t, nil, err)
 
-	err := testStore.Set(key, val, 0)
+	err = testStore.Set(key, val, 0)
 	utils.AssertEqual(t, nil, err)
 }