diff --git a/src/main/java/net/minecraftforge/fml/common/FMLModContainer.java b/src/main/java/net/minecraftforge/fml/common/FMLModContainer.java
index 67c06c341..0fb8eb10a 100644
--- a/src/main/java/net/minecraftforge/fml/common/FMLModContainer.java
+++ b/src/main/java/net/minecraftforge/fml/common/FMLModContainer.java
@@ -179,6 +179,10 @@ private ILanguageAdapter getLanguageAdapter()
         return languageAdapter;
     }
 
+    public boolean isFingerprintNotPresent() {
+        return fingerprintNotPresent;
+    }
+
     @Override
     public String getModId()
     {
diff --git a/src/main/java/net/minecraftforge/fml/common/LoadController.java b/src/main/java/net/minecraftforge/fml/common/LoadController.java
index b44378f1f..83b76b2dd 100644
--- a/src/main/java/net/minecraftforge/fml/common/LoadController.java
+++ b/src/main/java/net/minecraftforge/fml/common/LoadController.java
@@ -367,16 +367,16 @@ public void errorOccurred(ModContainer modContainer, Throwable exception)
 
     public void printModStates(StringBuilder ret)
     {
-        ret.append("\n\tStates:");
+        ret.append("\nStates:");
         for (ModState state : ModState.values())
             ret.append(" '").append(state.getMarker()).append("' = ").append(state.toString());
 
+        Set<String> potentiallyTamperedMod = Sets.newHashSet();
         TextTable table = new TextTable(Lists.newArrayList(
             TextTable.column("State"),
             TextTable.column("ID"),
             TextTable.column("Version"),
-            TextTable.column("Source"),
-            TextTable.column("Signature"))
+            TextTable.column("Source"))
         );
         for (ModContainer mc : loader.getModList())
         {
@@ -384,15 +384,27 @@ public void printModStates(StringBuilder ret)
                 modStates.get(mc.getModId()).stream().map(ModState::getMarker).reduce("", (a, b) -> a + b),
                 mc.getModId(),
                 mc.getVersion(),
-                mc.getSource().getName(),
-                mc.getSigningCertificate() != null ? CertificateHelper.getFingerprint(mc.getSigningCertificate()) : "None"
+                mc.getSource().getName()
             );
+
+            if (mc instanceof FMLModContainer fmc && fmc.isFingerprintNotPresent())
+                potentiallyTamperedMod.add(fmc.getSource().getName());
         }
 
-        ret.append("\n");
         ret.append("\n\t");
         table.append(ret, "\n\t");
         ret.append("\n");
+
+        if (potentiallyTamperedMod.isEmpty())
+            return;
+
+        ret.append("\nPotentially tampered mods:");
+        for (String s : potentiallyTamperedMod)
+        {
+            ret.append("\n\t");
+            ret.append(s);
+        }
+        ret.append("\n");
     }
 
     public List<ModContainer> getActiveModList()