diff --git a/src/object_gui.cpp b/src/object_gui.cpp
index 220f4e3854..57c45d09c9 100644
--- a/src/object_gui.cpp
+++ b/src/object_gui.cpp
@@ -526,7 +526,10 @@ static WindowDesc _build_object_desc(
  */
 void ShowBuildObjectPicker()
 {
-	AllocateWindowDescFront<BuildObjectWindow>(&_build_object_desc, 0);
+	/* Don't show the place object button when there are no objects to place. */
+	if (ObjectClass::GetUIClassCount() > 0) {
+		AllocateWindowDescFront<BuildObjectWindow>(&_build_object_desc, 0);
+	}
 }
 
 /** Reset all data of the object GUI. */