diff --git a/src/Audacity.h b/src/Audacity.h
index b4187d520..67cd20d6b 100644
--- a/src/Audacity.h
+++ b/src/Audacity.h
@@ -30,7 +30,7 @@
 // alphas of a stable release, typically the nightly builds. 
 // Most of the time we're in development, so IS_ALPHA should be defined
 // to 1.
-#define IS_ALPHA 1
+#define IS_ALPHA 0
 
 // Increment as appropriate every time we release a new version.
 #define AUDACITY_VERSION   2