diff --git a/engines/agi/font.cpp b/engines/agi/font.cpp
index f9605e4a3d9..b0e460ab261 100644
--- a/engines/agi/font.cpp
+++ b/engines/agi/font.cpp
@@ -21,6 +21,10 @@
  */
 
 #include "common/config-manager.h"
+#include "common/translation.h"
+#include "gui/gui-manager.h"
+#include "gui/message.h"
+
 #include "agi/agi.h"
 #include "agi/font.h"
 #include "agi/text.h"
@@ -1290,6 +1294,11 @@ void GfxFont::loadFontHercules() {
 	} else {
 		// Continue, if no file was not found
 		warning("Could not open/use file 'hgc_font' for Hercules hires font");
+		if (GUI::GuiManager::hasInstance()) {
+			GUI::MessageDialog dialog(_("Could not open/use file 'hgc_font' for Hercules hires font.\nIf you have such file in other AGI (Sierra) game, you can copy it to the game directory"));
+			dialog.runModal();
+		};
+
 	}
 }