diff --git a/src/providers/mssql/qgsmssqlprovider.cpp b/src/providers/mssql/qgsmssqlprovider.cpp
index 0c76d3543d0..ceea53d6b80 100644
--- a/src/providers/mssql/qgsmssqlprovider.cpp
+++ b/src/providers/mssql/qgsmssqlprovider.cpp
@@ -960,6 +960,9 @@ bool QgsMssqlProvider::addAttributes( const QList<QgsField> &attributes )
 {
   QString statement;
 
+  if ( attributes.count() == 0 )
+      return true;
+
   for ( QList<QgsField>::const_iterator it = attributes.begin(); it != attributes.end(); ++it )
   {
     QString type = it->typeName();
diff --git a/src/providers/postgres/qgspostgresprovider.cpp b/src/providers/postgres/qgspostgresprovider.cpp
index 561bfb5d5b1..16ae6534a08 100644
--- a/src/providers/postgres/qgspostgresprovider.cpp
+++ b/src/providers/postgres/qgspostgresprovider.cpp
@@ -1938,6 +1938,9 @@ bool QgsPostgresProvider::addAttributes( const QList<QgsField> &attributes )
   if ( mIsQuery )
     return false;
 
+  if ( attributes.count() == 0 )
+      return true;
+
   QgsPostgresConn* conn = connectionRW();
   if ( !conn )
   {
diff --git a/src/providers/spatialite/qgsspatialiteprovider.cpp b/src/providers/spatialite/qgsspatialiteprovider.cpp
index 4a4bf51b68b..2f09138f8b3 100644
--- a/src/providers/spatialite/qgsspatialiteprovider.cpp
+++ b/src/providers/spatialite/qgsspatialiteprovider.cpp
@@ -3797,6 +3797,9 @@ bool QgsSpatiaLiteProvider::addAttributes( const QList<QgsField> &attributes )
   bool toCommit = false;
   QString sql;
 
+  if ( attributes.count() == 0 )
+      return true;
+
   int ret = sqlite3_exec( sqliteHandle, "BEGIN", NULL, NULL, &errMsg );
   if ( ret != SQLITE_OK )
   {