diff --git a/src/plugins/cmakeprojectmanager/cmakerunconfiguration.h b/src/plugins/cmakeprojectmanager/cmakerunconfiguration.h
index 8227eaf84745c8cdee23e53c65fb7ad10f84c539..20ab7415143406074b10d63aba3a75592192652e 100644
--- a/src/plugins/cmakeprojectmanager/cmakerunconfiguration.h
+++ b/src/plugins/cmakeprojectmanager/cmakerunconfiguration.h
@@ -75,7 +75,6 @@ private:
     void setUserEnvironmentChanges(const QList<ProjectExplorer::EnvironmentItem> &diff);
     QList<ProjectExplorer::EnvironmentItem> userEnvironmentChanges() const;
 
-
     RunMode m_runMode;
     QString m_target;
     QString m_workingDirectory;
diff --git a/src/plugins/projectexplorer/customexecutablerunconfiguration.cpp b/src/plugins/projectexplorer/customexecutablerunconfiguration.cpp
index 1953e9635500d9c4359109a16d53b80e515cfb8e..9efea6c444a03ae89c972412d8a8557a909c8270 100644
--- a/src/plugins/projectexplorer/customexecutablerunconfiguration.cpp
+++ b/src/plugins/projectexplorer/customexecutablerunconfiguration.cpp
@@ -63,10 +63,8 @@ public:
 };
 
 CustomExecutableConfigurationWidget::CustomExecutableConfigurationWidget(CustomExecutableRunConfiguration *rc)
-    : m_ignoreChange(false)
+    : m_ignoreChange(false), m_runConfiguration(rc)
 {
-    m_runConfiguration = rc;
-    
     QFormLayout *layout = new QFormLayout;
     layout->setMargin(0);
 
@@ -88,7 +86,14 @@ CustomExecutableConfigurationWidget::CustomExecutableConfigurationWidget(CustomE
     m_useTerminalCheck = new QCheckBox(tr("Run in &Terminal"), this);
     layout->addRow(QString(), m_useTerminalCheck);
 
-    setLayout(layout);
+    m_environmentWidget = new EnvironmentWidget(this);
+    m_environmentWidget->setBaseEnvironment(rc->baseEnvironment());
+    m_environmentWidget->setUserChanges(rc->userEnvironmentChanges());
+
+    QVBoxLayout *vbox = new QVBoxLayout(this);
+    vbox->addLayout(layout);
+    vbox->addWidget(m_environmentWidget);
+
     changed();
     
     connect(m_userName, SIGNAL(textEdited(QString)),
@@ -103,8 +108,32 @@ CustomExecutableConfigurationWidget::CustomExecutableConfigurationWidget(CustomE
             this, SLOT(termToggled(bool)));
 
     connect(m_runConfiguration, SIGNAL(changed()), this, SLOT(changed()));
+
+    connect(m_environmentWidget, SIGNAL(userChangesUpdated()),
+            this, SLOT(userChangesUpdated()));
+
+    connect(m_runConfiguration, SIGNAL(baseEnvironmentChanged()),
+            this, SLOT(baseEnvironmentChanged()));
+    connect(m_runConfiguration, SIGNAL(userEnvironmentChangesChanged(QList<ProjectExplorer::EnvironmentItem>)),
+            this, SLOT(userEnvironmentChangesChanged()));
+}
+
+void CustomExecutableConfigurationWidget::userChangesUpdated()
+{
+    m_runConfiguration->setUserEnvironmentChanges(m_environmentWidget->userChanges());
+}
+
+void CustomExecutableConfigurationWidget::baseEnvironmentChanged()
+{
+    m_environmentWidget->setBaseEnvironment(m_runConfiguration->baseEnvironment());
+}
+
+void CustomExecutableConfigurationWidget::userEnvironmentChangesChanged()
+{
+    m_environmentWidget->setUserChanges(m_runConfiguration->userEnvironmentChanges());
 }
 
+
 void CustomExecutableConfigurationWidget::setExecutable()
 {
     m_ignoreChange = true;
@@ -158,6 +187,13 @@ CustomExecutableRunConfiguration::CustomExecutableRunConfiguration(Project *pro)
 {
     m_workingDirectory = "$BUILDDIR";
     setName(tr("Custom Executable"));
+
+    connect(pro, SIGNAL(activeBuildConfigurationChanged()),
+            this, SIGNAL(baseEnvironmentChanged()));
+
+    connect(pro, SIGNAL(environmentChanged(QString)),
+            this, SIGNAL(baseEnvironmentChanged()));
+
 }
 
 CustomExecutableRunConfiguration::~CustomExecutableRunConfiguration()
@@ -241,11 +277,37 @@ QStringList CustomExecutableRunConfiguration::commandLineArguments() const
     return m_cmdArguments;
 }
 
-Environment CustomExecutableRunConfiguration::environment() const
+ProjectExplorer::Environment CustomExecutableRunConfiguration::baseEnvironment() const
+{
+    // TODO use either System Environment
+    // build environment
+    // or empty
+    //Environment env = Environment(QProcess::systemEnvironment());
+
+    QString config = project()->activeBuildConfiguration();
+    ProjectExplorer::Environment env = project()->environment(project()->activeBuildConfiguration());
+    return env;
+}
+
+ProjectExplorer::Environment CustomExecutableRunConfiguration::environment() const
+{
+    ProjectExplorer::Environment env = baseEnvironment();
+    env.modify(userEnvironmentChanges());
+    return env;
+}
+
+QList<ProjectExplorer::EnvironmentItem> CustomExecutableRunConfiguration::userEnvironmentChanges() const
 {
-    return project()->environment(project()->activeBuildConfiguration());
+    return m_userEnvironmentChanges;
 }
 
+void CustomExecutableRunConfiguration::setUserEnvironmentChanges(const QList<ProjectExplorer::EnvironmentItem> &diff)
+{
+    if (m_userEnvironmentChanges != diff) {
+        m_userEnvironmentChanges = diff;
+        emit userEnvironmentChangesChanged(diff);
+    }
+}
 
 void CustomExecutableRunConfiguration::save(PersistentSettingsWriter &writer) const
 {
@@ -255,6 +317,7 @@ void CustomExecutableRunConfiguration::save(PersistentSettingsWriter &writer) co
     writer.saveValue("UseTerminal", m_runMode == Console);
     writer.saveValue("UserSetName", m_userSetName);
     writer.saveValue("UserName", m_userName);
+    writer.saveValue("UserEnvironmentChanges", ProjectExplorer::EnvironmentItem::toStringList(m_userEnvironmentChanges));
     ApplicationRunConfiguration::save(writer);
 }
 
@@ -266,6 +329,7 @@ void CustomExecutableRunConfiguration::restore(const PersistentSettingsReader &r
     m_runMode = reader.restoreValue("UseTerminal").toBool() ? Console : Gui;
     m_userSetName = reader.restoreValue("UserSetName").toBool();
     m_userName = reader.restoreValue("UserName").toString();
+    m_userEnvironmentChanges = ProjectExplorer::EnvironmentItem::fromStringList(reader.restoreValue("UserEnvironmentChanges").toStringList());
     ApplicationRunConfiguration::restore(reader);
 }
 
diff --git a/src/plugins/projectexplorer/customexecutablerunconfiguration.h b/src/plugins/projectexplorer/customexecutablerunconfiguration.h
index 107c889f954c4e9e72128612af856ababa7f03ca..7487770538a35ec1312b1ea8c4e15f58fc781c6c 100644
--- a/src/plugins/projectexplorer/customexecutablerunconfiguration.h
+++ b/src/plugins/projectexplorer/customexecutablerunconfiguration.h
@@ -33,6 +33,7 @@
 #include "applicationrunconfiguration.h"
 
 #include <utils/pathchooser.h>
+#include <projectexplorer/environmenteditmodel.h>
 
 #include <QtGui/QToolButton>
 
@@ -91,7 +92,15 @@ public:
 signals:
     void changed();
 
+    void baseEnvironmentChanged();
+    void userEnvironmentChangesChanged(const QList<ProjectExplorer::EnvironmentItem> &diff);
+
+
 private:
+    ProjectExplorer::Environment baseEnvironment() const;
+    void setUserEnvironmentChanges(const QList<ProjectExplorer::EnvironmentItem> &diff);
+    QList<ProjectExplorer::EnvironmentItem> userEnvironmentChanges() const;
+
     void setExecutable(const QString &executable);
     void setCommandLineArguments(const QString &commandLineArguments);
     void setWorkingDirectory(const QString &workingDirectory);
@@ -103,6 +112,7 @@ private:
     RunMode m_runMode;
     bool m_userSetName;
     QString m_userName;
+    QList<ProjectExplorer::EnvironmentItem> m_userEnvironmentChanges;
 };
 
 class CustomExecutableRunConfigurationFactory : public IRunConfigurationFactory
@@ -137,6 +147,10 @@ private slots:
     void setWorkingDirectory();
     void termToggled(bool);
 
+    void userChangesUpdated();
+    void baseEnvironmentChanged();
+    void userEnvironmentChangesChanged();
+
 private:
     bool m_ignoreChange;
     CustomExecutableRunConfiguration *m_runConfiguration;
@@ -145,6 +159,7 @@ private:
     QLineEdit *m_commandLineArgumentsLineEdit;
     Core::Utils::PathChooser *m_workingDirectory;
     QCheckBox *m_useTerminalCheck;
+    ProjectExplorer::EnvironmentWidget *m_environmentWidget;
 };
 
 } // namespace Internal