diff --git a/megameklab/src/megameklab/printing/PrintTank.java b/megameklab/src/megameklab/printing/PrintTank.java
index 22050a213e..4ea36ec6a7 100644
--- a/megameklab/src/megameklab/printing/PrintTank.java
+++ b/megameklab/src/megameklab/printing/PrintTank.java
@@ -156,7 +156,7 @@ protected String formatRun() {
 
     @Override
     protected boolean supportsAlternateArmorGrouping() {
-        return true;
+        return !(tank.isNaval() && tank.isSuperHeavy());
     }
 
     @Override