diff --git a/common/src/main/java/com/seibel/distanthorizons/common/commands/ConfigCommand.java b/common/src/main/java/com/seibel/distanthorizons/common/commands/ConfigCommand.java
index dcfe122d9..a64500277 100644
--- a/common/src/main/java/com/seibel/distanthorizons/common/commands/ConfigCommand.java
+++ b/common/src/main/java/com/seibel/distanthorizons/common/commands/ConfigCommand.java
@@ -9,6 +9,7 @@ import com.seibel.distanthorizons.core.config.types.ConfigEntry;
 import net.minecraft.commands.CommandSourceStack;
 
 import java.util.Arrays;
+import java.util.HashSet;
 import java.util.List;
 import java.util.function.BiFunction;
 import java.util.function.Function;
@@ -40,6 +41,7 @@ public class ConfigCommand extends AbstractCommand
 	public LiteralArgumentBuilder<CommandSourceStack> buildCommand()
 	{
 		LiteralArgumentBuilder<CommandSourceStack> builder = literal("config");
+		HashSet<String> addedCommands = new HashSet<>();
 		
 		for (AbstractConfigType<?, ?> type : ConfigBase.INSTANCE.entries)
 		{
@@ -56,6 +58,11 @@ public class ConfigCommand extends AbstractCommand
 				continue;
 			}
 			
+			if (!addedCommands.add(configEntry.getChatCommandName()))
+			{
+				throw new IllegalStateException("Duplicate command name: " + configEntry.getChatCommandName());
+			}
+			
 			LiteralArgumentBuilder<CommandSourceStack> subcommand = literal(configEntry.getChatCommandName())
 					.executes(commandContext -> this.sendSuccessResponse(commandContext,
 							"\n" +