diff --git a/src/plugins/cmakeprojectmanager/cmakeproject.cpp b/src/plugins/cmakeprojectmanager/cmakeproject.cpp
index d69441c434e..35f928c73df 100644
--- a/src/plugins/cmakeprojectmanager/cmakeproject.cpp
+++ b/src/plugins/cmakeprojectmanager/cmakeproject.cpp
@@ -1011,6 +1011,8 @@ void CMakeBuildSettingsWidget::openChangeBuildDirectoryDialog()
 
 void CMakeBuildSettingsWidget::runCMake()
 {
+    if (!ProjectExplorer::ProjectExplorerPlugin::instance()->saveModifiedFiles())
+        return;
     CMakeProject *project = static_cast<CMakeProject *>(m_buildConfiguration->target()->project());
     CMakeOpenProjectWizard copw(project->projectManager(),
                                 CMakeOpenProjectWizard::WantToUpdate,
diff --git a/src/plugins/cmakeprojectmanager/cmakeprojectmanager.cpp b/src/plugins/cmakeprojectmanager/cmakeprojectmanager.cpp
index 63f13f62f92..910d027ab8f 100644
--- a/src/plugins/cmakeprojectmanager/cmakeprojectmanager.cpp
+++ b/src/plugins/cmakeprojectmanager/cmakeprojectmanager.cpp
@@ -115,6 +115,9 @@ void CMakeManager::runCMake(ProjectExplorer::Project *project)
     if (!cmakeProject || !cmakeProject->activeTarget() || !cmakeProject->activeTarget()->activeBuildConfiguration())
         return;
 
+    if (!ProjectExplorer::ProjectExplorerPlugin::instance()->saveModifiedFiles())
+        return;
+
     CMakeBuildConfiguration *bc
             = static_cast<CMakeBuildConfiguration *>(cmakeProject->activeTarget()->activeBuildConfiguration());