diff --git a/src/gui/guiFormSpecMenu.cpp b/src/gui/guiFormSpecMenu.cpp
index 6a383a79..f3bf0427 100644
--- a/src/gui/guiFormSpecMenu.cpp
+++ b/src/gui/guiFormSpecMenu.cpp
@@ -3380,8 +3380,12 @@ void GUIFormSpecMenu::drawMenu()
 	bool hovered_element_found = false;
 
 	if (hovered != NULL) {
-		s32 id = hovered->getID();
+		if (m_show_debug) {
+			core::rect<s32> rect = hovered->getAbsoluteClippingRect();
+			driver->draw2DRectangle(0x22FFFF00, rect, &rect);
+		}
 
+		s32 id = hovered->getID();
 		u64 delta = 0;
 		if (id == -1) {
 			m_old_tooltip_id = id;
@@ -3903,6 +3907,10 @@ bool GUIFormSpecMenu::OnEvent(const SEvent& event)
 				(kp == getKeySetting("keymap_screenshot"))) {
 			m_client->makeScreenshot();
 		}
+
+		if (event.KeyInput.PressedDown && kp == getKeySetting("keymap_toggle_debug"))
+			m_show_debug = !m_show_debug;
+
 		if (event.KeyInput.PressedDown &&
 			(event.KeyInput.Key==KEY_RETURN ||
 			 event.KeyInput.Key==KEY_UP ||
diff --git a/src/gui/guiFormSpecMenu.h b/src/gui/guiFormSpecMenu.h
index b3bf6711..dc22e8b5 100644
--- a/src/gui/guiFormSpecMenu.h
+++ b/src/gui/guiFormSpecMenu.h
@@ -343,6 +343,7 @@ private:
 	u16                 m_formspec_version = 1;
 	std::string         m_focused_element = "";
 	JoystickController *m_joystick;
+	bool m_show_debug = false;
 
 	typedef struct {
 		bool explicit_size;