diff --git a/launcher/RuntimeContext.h b/launcher/RuntimeContext.h
index d98d407f..6090897c 100644
--- a/launcher/RuntimeContext.h
+++ b/launcher/RuntimeContext.h
@@ -30,7 +30,7 @@ struct RuntimeContext {
 
     // "Legacy" refers to the fact that Mojang assumed that these are the only two architectures
     bool isLegacyArch() const {
-        QSet<QString> legacyArchitectures{"amd64", "x86_64", "i686"};
+        QSet<QString> legacyArchitectures{"amd64", "x86_64", "i386", "i686", "x86"};
         return legacyArchitectures.contains(mappedJavaRealArchitecture());
     }