diff --git a/src/Application/Application_MassViewer_Weapons.cpp b/src/Application/Application_MassViewer_Weapons.cpp
index 6834eb8..3935bce 100644
--- a/src/Application/Application_MassViewer_Weapons.cpp
+++ b/src/Application/Application_MassViewer_Weapons.cpp
@@ -424,6 +424,11 @@ Application::drawWeaponEditor(GameObjects::Weapon& weapon) {
 
     ImGui::Separator();
 
+    if(weapon.parts.isEmpty()) {
+        ImGui::TextUnformatted("This weapon has no parts.");
+        return;
+    }
+
     if(ImGui::CollapsingHeader("Weapon parts")) {
         drawAlignedText("Viewing/editing part:");
         for(std::int32_t i = 0; std::size_t(i) < weapon.parts.size(); i++) {