diff --git a/plugins/ProM/DistrhoUIProM.cpp b/plugins/ProM/DistrhoUIProM.cpp
index 44190ac..36264a4 100644
--- a/plugins/ProM/DistrhoUIProM.cpp
+++ b/plugins/ProM/DistrhoUIProM.cpp
@@ -297,6 +297,14 @@ bool DistrhoUIProM::onKeyboard(const KeyboardEvent& ev)
     return true;
 }
 
+bool DistrhoUIProM::onMouse(const MouseEvent& ev)
+{
+    if (ev.press)
+        getWindow().focus();
+
+    return false;
+}
+
 // -----------------------------------------------------------------------
 
 UI* createUI()
diff --git a/plugins/ProM/DistrhoUIProM.hpp b/plugins/ProM/DistrhoUIProM.hpp
index 42e3c45..13fb8a1 100644
--- a/plugins/ProM/DistrhoUIProM.hpp
+++ b/plugins/ProM/DistrhoUIProM.hpp
@@ -49,6 +49,7 @@ protected:
 
     void onDisplay() override;
     bool onKeyboard(const KeyboardEvent&) override;
+    bool onMouse(const MouseEvent& ev) override;
 
 private:
     ScopedPointer<projectM> fPM;