diff --git a/.travis.yml b/.travis.yml
index e0d87665991..cc516636cda 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -37,9 +37,6 @@ after_script:
     fi
 
 jobs:
-  allow_failures:
-    - php: 7.4snapshot
-
   include:
 
     - stage: Smoke Testing
diff --git a/lib/Doctrine/DBAL/Schema/SQLServerSchemaManager.php b/lib/Doctrine/DBAL/Schema/SQLServerSchemaManager.php
index d0c88f7fe76..35cdc45089a 100644
--- a/lib/Doctrine/DBAL/Schema/SQLServerSchemaManager.php
+++ b/lib/Doctrine/DBAL/Schema/SQLServerSchemaManager.php
@@ -340,7 +340,9 @@ public function listTableDetails($tableName) : Table
 
         $tableOptions = $this->_conn->fetchAssoc($sql);
 
-        $table->addOption('comment', $tableOptions['table_comment']);
+        if ($tableOptions !== false) {
+            $table->addOption('comment', $tableOptions['table_comment']);
+        }
 
         return $table;
     }
diff --git a/tests/travis/install-mssql-pdo_sqlsrv.sh b/tests/travis/install-mssql-pdo_sqlsrv.sh
index 9893d0f8c78..71e07aee231 100644
--- a/tests/travis/install-mssql-pdo_sqlsrv.sh
+++ b/tests/travis/install-mssql-pdo_sqlsrv.sh
@@ -4,4 +4,4 @@ set -ex
 
 echo "Installing extension"
 
-pecl install pdo_sqlsrv
+pecl install pdo_sqlsrv-5.7.0preview
diff --git a/tests/travis/install-mssql-sqlsrv.sh b/tests/travis/install-mssql-sqlsrv.sh
index 10132619c59..d44841360dc 100644
--- a/tests/travis/install-mssql-sqlsrv.sh
+++ b/tests/travis/install-mssql-sqlsrv.sh
@@ -4,4 +4,4 @@ set -ex
 
 echo "Installing extension"
 
-pecl install sqlsrv
+pecl install sqlsrv-5.7.0preview