diff --git a/src/plugins/qt4projectmanager/makestep.cpp b/src/plugins/qt4projectmanager/makestep.cpp
index da730f94033aeba7ef7df3c2739fbaf851a90161..30742f56029c85352ccfa5749ab07d89cb0a6d16 100644
--- a/src/plugins/qt4projectmanager/makestep.cpp
+++ b/src/plugins/qt4projectmanager/makestep.cpp
@@ -293,6 +293,8 @@ MakeStepConfigWidget::MakeStepConfigWidget(MakeStep *makeStep)
             this, SLOT(userArgumentsChanged()));
     connect(makeStep->buildConfiguration(), SIGNAL(buildDirectoryChanged()),
             this, SLOT(updateDetails()));
+    connect(makeStep->buildConfiguration(), SIGNAL(toolChainChanged()),
+            this, SLOT(updateDetails()));
 
     connect(makeStep->qt4BuildConfiguration(), SIGNAL(qtVersionChanged()),
             this, SLOT(qtVersionChanged()));