diff --git a/src/plugins/cmakeprojectmanager/makestep.cpp b/src/plugins/cmakeprojectmanager/makestep.cpp
index 41ca1a6bd10..11ae56e0a91 100644
--- a/src/plugins/cmakeprojectmanager/makestep.cpp
+++ b/src/plugins/cmakeprojectmanager/makestep.cpp
@@ -258,7 +258,11 @@ void MakeStepConfigWidget::updateDetails()
     arguments << m_makeStep->additionalArguments();
 
     CMakeBuildConfiguration *bc = m_makeStep->cmakeBuildConfiguration();
-    m_summaryText = tr("<b>Make:</b> %1 %2").arg(bc->toolChain()->makeCommand(), arguments.join(" "));
+    ProjectExplorer::ToolChain *tc = bc->toolChain();
+    if (tc)
+        m_summaryText = tr("<b>Make:</b> %1 %2").arg(tc->makeCommand(), arguments.join(" "));
+    else
+        m_summaryText = tr("<b>Unknown Toolchain</b>");
     emit updateSummary();
 }