diff --git a/common/src/main/java/net/caffeinemc/mods/sodium/mixin/SodiumMixinPlugin.java b/common/src/main/java/net/caffeinemc/mods/sodium/mixin/SodiumMixinPlugin.java
index 2c64f82ea5..e0276d8f4c 100644
--- a/common/src/main/java/net/caffeinemc/mods/sodium/mixin/SodiumMixinPlugin.java
+++ b/common/src/main/java/net/caffeinemc/mods/sodium/mixin/SodiumMixinPlugin.java
@@ -40,7 +40,7 @@ public void onLoad(String mixinPackage) {
 
     @Override
     public String getRefMapperConfig() {
-        return PlatformInfoAccess.getInstance().platformUsesRefmap() ? null : "sodium.refmap.json";
+        return PlatformInfoAccess.getInstance().platformUsesRefmap() ? "sodium.refmap.json" : null;
     }
 
     @Override