diff --git a/src/plugins/platforms/android/androidjnimain.cpp b/src/plugins/platforms/android/androidjnimain.cpp
index e997a49a25..76129319c5 100644
--- a/src/plugins/platforms/android/androidjnimain.cpp
+++ b/src/plugins/platforms/android/androidjnimain.cpp
@@ -337,7 +337,7 @@ namespace QtAndroid
     {
         QJNIEnvironmentPrivate env;
         if (!env)
-            return 0;
+            return -1;
 
         m_surfacesMutex.lock();
         int surfaceId = m_surfaceId++;