diff --git a/src/providers/mssql/qgsmssqlexpressioncompiler.cpp b/src/providers/mssql/qgsmssqlexpressioncompiler.cpp
index 728eda07ea7..b7d5f259372 100644
--- a/src/providers/mssql/qgsmssqlexpressioncompiler.cpp
+++ b/src/providers/mssql/qgsmssqlexpressioncompiler.cpp
@@ -18,7 +18,7 @@
 
 QgsMssqlExpressionCompiler::QgsMssqlExpressionCompiler( QgsMssqlFeatureSource *source )
   : QgsSqlExpressionCompiler( source->mFields,
-                              QgsSqlExpressionCompiler::LikeIsCaseInsensitive | QgsSqlExpressionCompiler::CaseInsensitiveStringMatch )
+                              QgsSqlExpressionCompiler::LikeIsCaseInsensitive | QgsSqlExpressionCompiler::CaseInsensitiveStringMatch | QgsSqlExpressionCompiler::IntegerDivisionResultsInInteger )
 {
 
 }
@@ -78,3 +78,8 @@ QString QgsMssqlExpressionCompiler::quotedValue( const QVariant &value, bool &ok
       return QgsSqlExpressionCompiler::quotedValue( value, ok );
   }
 }
+
+QString QgsMssqlExpressionCompiler::castToReal( const QString &value ) const
+{
+  return QStringLiteral( "CAST((%1) AS REAL)" ).arg( value );
+}
diff --git a/src/providers/mssql/qgsmssqlexpressioncompiler.h b/src/providers/mssql/qgsmssqlexpressioncompiler.h
index 4a9738e93d1..16f29f3779a 100644
--- a/src/providers/mssql/qgsmssqlexpressioncompiler.h
+++ b/src/providers/mssql/qgsmssqlexpressioncompiler.h
@@ -29,6 +29,7 @@ class QgsMssqlExpressionCompiler : public QgsSqlExpressionCompiler
   protected:
     Result compileNode( const QgsExpressionNode *node, QString &result ) override;
     QString quotedValue( const QVariant &value, bool &ok ) override;
+    QString castToReal( const QString &value ) const override;
 
 };