diff --git a/src/tools/ecode/ecode.cpp b/src/tools/ecode/ecode.cpp
index 98e1453b1..40f29b57a 100644
--- a/src/tools/ecode/ecode.cpp
+++ b/src/tools/ecode/ecode.cpp
@@ -4566,7 +4566,11 @@ void App::init( InitParameters& params ) {
 			} else if ( mConfig.term.warnBeforeClosingTab && widget->isType( UI_TYPE_TERMINAL ) ) {
 				UITerminal* term = widget->asType<UITerminal>();
 				ProcessID pid = term->getTerm()->getTerminal()->getProcess()->pid();
+				std::string msgBoxId = String::format( "msgbox_%p", this );
 				if ( Sys::processHasChildren( pid ) ) {
+					if ( nullptr != getUISceneNode()->find( msgBoxId ) )
+						return false;
+
 					UIMessageBox* msgBox = UIMessageBox::New(
 						UIMessageBox::OK_CANCEL,
 						i18n( "terminal_close_warn", "Are you sure you want to close this "
@@ -4584,6 +4588,7 @@ void App::init( InitParameters& params ) {
 					msgBox->setTitle( "ecode" );
 					msgBox->center();
 					msgBox->showWhenReady();
+					msgBox->setId( msgBoxId );
 					return false;
 				}
 			}