diff --git a/src/Mass/Mass.cpp b/src/Mass/Mass.cpp
index 35e52e3..031846d 100644
--- a/src/Mass/Mass.cpp
+++ b/src/Mass/Mass.cpp
@@ -585,6 +585,7 @@ void Mass::getArmourParts() {
         }
 
         if(decals_array->items.size() != 8) {
+            part.demoDecals = decals_array->items.size();
             _demo = true;
         }
 
diff --git a/src/Mass/Mass.h b/src/Mass/Mass.h
index f557522..6ab0218 100644
--- a/src/Mass/Mass.h
+++ b/src/Mass/Mass.h
@@ -85,6 +85,7 @@ struct ArmourPart {
     std::string slot;
     Int id = 0;
     Containers::StaticArray<4, Int> styles{ValueInit};
+    UnsignedInt demoDecals = 8;
     Containers::StaticArray<8, Decal> decals{ValueInit};
     Containers::StaticArray<8, Accessory> accessories{ValueInit};
 };