diff --git a/src/speech/es.py b/src/speech/es.py
index c5625e84..7f55fc88 100644
--- a/src/speech/es.py
+++ b/src/speech/es.py
@@ -3,6 +3,8 @@
 # Espeak driver
 
 class speech():
+    isInitialized = False
+    
     def __init__(self):
         pass