diff --git a/launcher-builder/src/main/java/com/skcraft/launcher/builder/loaders/ModernForgeLoaderProcessor.java b/launcher-builder/src/main/java/com/skcraft/launcher/builder/loaders/ModernForgeLoaderProcessor.java
index 3149b59..0814bee 100644
--- a/launcher-builder/src/main/java/com/skcraft/launcher/builder/loaders/ModernForgeLoaderProcessor.java
+++ b/launcher-builder/src/main/java/com/skcraft/launcher/builder/loaders/ModernForgeLoaderProcessor.java
@@ -54,6 +54,10 @@ public class ModernForgeLoaderProcessor implements ILoaderProcessor {
 				// Copy game arguments
 				List<GameArgument> gameArguments = info.getArguments().getGameArguments();
 				if (gameArguments != null) {
+					if (info.isOverridingArguments()) {
+						version.getArguments().getGameArguments().clear();
+					}
+
 					version.getArguments().getGameArguments().addAll(gameArguments);
 				}
 
diff --git a/launcher/src/main/java/com/skcraft/launcher/model/loader/VersionInfo.java b/launcher/src/main/java/com/skcraft/launcher/model/loader/VersionInfo.java
index 55908d5..7d383bc 100644
--- a/launcher/src/main/java/com/skcraft/launcher/model/loader/VersionInfo.java
+++ b/launcher/src/main/java/com/skcraft/launcher/model/loader/VersionInfo.java
@@ -6,6 +6,7 @@
 
 package com.skcraft.launcher.model.loader;
 
+import com.fasterxml.jackson.annotation.JsonIgnore;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.google.common.base.Splitter;
 import com.skcraft.launcher.model.minecraft.GameArgument;
@@ -24,6 +25,8 @@ public class VersionInfo {
     private String mainClass;
     private List<Library> libraries;
 
+    @JsonIgnore private transient boolean overridingArguments;
+
     public void setMinecraftArguments(String argumentString) {
         MinecraftArguments minecraftArguments = new MinecraftArguments();
         minecraftArguments.setGameArguments(new ArrayList<GameArgument>());
@@ -33,5 +36,6 @@ public class VersionInfo {
         }
 
         setArguments(minecraftArguments);
+        setOverridingArguments(true);
     }
 }