diff --git a/src/plugins/clangtools/clangtoolruncontrol.cpp b/src/plugins/clangtools/clangtoolruncontrol.cpp
index 7881b53916f..e583a6269de 100644
--- a/src/plugins/clangtools/clangtoolruncontrol.cpp
+++ b/src/plugins/clangtools/clangtoolruncontrol.cpp
@@ -55,7 +55,8 @@ private:
 
         connect(BuildManager::instance(), &BuildManager::buildQueueFinished,
                 this, &ProjectBuilder::onBuildFinished, Qt::QueuedConnection);
-        BuildManager::buildProjectWithDependencies(target->project());
+        if (!BuildManager::isBuilding(target))
+            BuildManager::buildProjectWithDependencies(target->project());
      }
 
      void onBuildFinished(bool success)