diff --git a/ondevice-signing/odsign_main.cpp b/ondevice-signing/odsign_main.cpp
index 33d04ca..df27815 100644
--- a/ondevice-signing/odsign_main.cpp
+++ b/ondevice-signing/odsign_main.cpp
@@ -303,6 +303,11 @@
     };
     auto scope_guard = android::base::make_scope_guard(errorScopeGuard);
 
+    if (!android::base::GetBoolProperty("ro.apex.updatable", false)) {
+        LOG(INFO) << "Device doesn't support updatable APEX, exiting.";
+        return 0;
+    }
+
     SigningKey* key;
     if (kUseKeystore) {
         auto keystoreResult = KeystoreKey::getInstance();