diff --git a/distrho/src/DistrhoUI.cpp b/distrho/src/DistrhoUI.cpp
index 12cce07c..9bdb9908 100644
--- a/distrho/src/DistrhoUI.cpp
+++ b/distrho/src/DistrhoUI.cpp
@@ -90,7 +90,11 @@ UI::~UI()
 bool UI::isResizable() const noexcept
 {
 #if DISTRHO_UI_USER_RESIZABLE
+# if DISTRHO_PLUGIN_HAS_EXTERNAL_UI
+    return true;
+# else
     return uiData->window->isResizable();
+# endif
 #else
     return false;
 #endif
@@ -172,7 +176,7 @@ uintptr_t UI::getNextWindowId() noexcept
     return g_nextWindowId;
 }
 # endif
-#endif
+#endif // DISTRHO_PLUGIN_HAS_EXTERNAL_UI
 
 /* ------------------------------------------------------------------------------------------------------------
  * DSP/Plugin Callbacks (optional) */
diff --git a/distrho/src/DistrhoUIPrivateData.hpp b/distrho/src/DistrhoUIPrivateData.hpp
index 001d7ea5..8ddced26 100644
--- a/distrho/src/DistrhoUIPrivateData.hpp
+++ b/distrho/src/DistrhoUIPrivateData.hpp
@@ -142,6 +142,7 @@ public:
     void close() { ui->close(); }
     void focus() { ui->focus(); }
     void show() { ui->show(); }
+    bool isResizable() const noexcept { return ui->isResizable(); }
     bool isVisible() const noexcept { return ui->isVisible(); }
     void setTitle(const char* const title) { ui->setTitle(title); }
     void setVisible(const bool visible) { ui->setVisible(visible); }
diff --git a/examples/EmbedExternalUI/DistrhoPluginInfo.h b/examples/EmbedExternalUI/DistrhoPluginInfo.h
index 9c127519..cae5e2c2 100644
--- a/examples/EmbedExternalUI/DistrhoPluginInfo.h
+++ b/examples/EmbedExternalUI/DistrhoPluginInfo.h
@@ -27,6 +27,7 @@
 #define DISTRHO_PLUGIN_IS_RT_SAFE      1
 #define DISTRHO_PLUGIN_NUM_INPUTS      2
 #define DISTRHO_PLUGIN_NUM_OUTPUTS     2
+#define DISTRHO_UI_USER_RESIZABLE      1
 
 enum Parameters {
     kParameterLevel = 0,