diff --git a/guilib/src/MainWindow.cpp b/guilib/src/MainWindow.cpp
index cbbb5875..b81db148 100644
--- a/guilib/src/MainWindow.cpp
+++ b/guilib/src/MainWindow.cpp
@@ -2702,7 +2702,8 @@ void MainWindow::startDetection()
 		float inputRate = _preferencesDialog->getGeneralInputRate();
 		float detectionRate = uStr2Float(parameters.at(Parameters::kRtabmapDetectionRate()));
 		int bufferingSize = uStr2Float(parameters.at(Parameters::kRtabmapImageBufferSize()));
-		if((detectionRate!=0.0f && detectionRate < inputRate) || (detectionRate > 0.0f && inputRate == 0.0f))
+		if(((detectionRate!=0.0f && detectionRate < inputRate) || (detectionRate > 0.0f && inputRate == 0.0f)) &&
+			(_preferencesDialog->getSourceDriver() != PreferencesDialog::kSrcDatabase || !_preferencesDialog->getSourceDatabaseStampsUsed()))
 		{
 			int button = QMessageBox::question(this,
 					tr("Incompatible frame rates!"),
@@ -2717,7 +2718,8 @@ void MainWindow::startDetection()
 				return;
 			}
 		}
-		if(bufferingSize != 0)
+		if(bufferingSize != 0 &&
+		  (_preferencesDialog->getSourceDriver() != PreferencesDialog::kSrcDatabase || !_preferencesDialog->getSourceDatabaseStampsUsed()))
 		{
 			int button = QMessageBox::question(this,
 					tr("Some images may be skipped!"),
diff --git a/guilib/src/PreferencesDialog.cpp b/guilib/src/PreferencesDialog.cpp
index 0b4b8736..91b4300c 100644
--- a/guilib/src/PreferencesDialog.cpp
+++ b/guilib/src/PreferencesDialog.cpp
@@ -1040,7 +1040,7 @@ void PreferencesDialog::resetSettings(QGroupBox * groupBox)
 		_ui->source_checkBox_ignoreOdometry->setChecked(false);
 		_ui->source_checkBox_ignoreGoalDelay->setChecked(false);
 		_ui->source_spinBox_databaseStartPos->setValue(0);
-		_ui->source_checkBox_useDbStamps->setChecked(false);
+		_ui->source_checkBox_useDbStamps->setChecked(true);
 
 #ifdef _WIN32
 		_ui->comboBox_cameraRGBD->setCurrentIndex(kSrcOpenNI2-kSrcRGBD); // openni2
@@ -2147,6 +2147,7 @@ void PreferencesDialog::selectSourceDatabase()
 		_ui->source_checkBox_ignoreOdometry->setChecked(r != QMessageBox::Yes);
 		_ui->source_database_lineEdit_path->setText(paths.size()==1?paths.front():paths.join(";"));
 		_ui->source_spinBox_databaseStartPos->setValue(0);
+		_ui->source_checkBox_useDbStamps->setChecked(true);
 	}
 }