diff --git a/android/src/main/java/org/lichess/mobileapp/stockfish/Stockfish.java b/android/src/main/java/org/lichess/mobileapp/stockfish/Stockfish.java
index 0702a6b..96e43cd 100644
--- a/android/src/main/java/org/lichess/mobileapp/stockfish/Stockfish.java
+++ b/android/src/main/java/org/lichess/mobileapp/stockfish/Stockfish.java
@@ -85,6 +85,11 @@ public void start(PluginCall call) {
 
   @PluginMethod
   public void cmd(PluginCall call) {
+    if (!supportedArch){
+      call.error("Arch not supported.");
+      return;
+    }
+
     if (isInit) {
       String cmd = call.getString("cmd");
       if (cmd == null) {