diff --git a/src/jump_to_dialog.cc b/src/jump_to_dialog.cc
index d94ca07..a3ceffe 100644
--- a/src/jump_to_dialog.cc
+++ b/src/jump_to_dialog.cc
@@ -160,7 +160,7 @@ JumpToDialog::update(const Simulation& changed_simulation)
 {
   unsigned int front = changed_simulation.get_history().get_front();
 
-  double percent = static_cast<double>(front) / _target_instant;
+  double percent = std::min(static_cast<double>(front) / _target_instant, 1.0);
 
   _progress->set_fraction(percent);