diff --git a/src/BlocksGUI/BlocksGUI_ExplodeDlg.cxx b/src/BlocksGUI/BlocksGUI_ExplodeDlg.cxx
index a0ddd4df0..a5a7cd6bb 100644
--- a/src/BlocksGUI/BlocksGUI_ExplodeDlg.cxx
+++ b/src/BlocksGUI/BlocksGUI_ExplodeDlg.cxx
@@ -125,6 +125,8 @@ BlocksGUI_ExplodeDlg::~BlocksGUI_ExplodeDlg()
 //=================================================================================
 void BlocksGUI_ExplodeDlg::Init()
 {
+  ResultName->setText("");
+
   // Set range of spinboxes
   double SpecificStep = 1.0;
   mySpinBoxMin->RangeStepAndValidator(0.0, 999.0, SpecificStep, 3);