diff --git a/src/frontends/qt4/GuiCompare.cpp b/src/frontends/qt4/GuiCompare.cpp
index 49c6c130f3..3b97aa1106 100644
--- a/src/frontends/qt4/GuiCompare.cpp
+++ b/src/frontends/qt4/GuiCompare.cpp
@@ -332,7 +332,7 @@ bool GuiCompare::initialiseParams(std::string const &par)
 
 	progressBar->setValue(0);
 	progressBar->setEnabled(false);
-	progressBar->setMaximum(100);
+	progressBar->setMaximum(1);
 
 	return true;
 }