diff --git a/src/Audacity.h b/src/Audacity.h
index 1ad029cbb2da17da7cbd4eead62a35320f840915..32adcee3521262c76fdd2144e5c970a7be419250 100644
--- a/src/Audacity.h
+++ b/src/Audacity.h
@@ -27,7 +27,7 @@
 // We only do alpha builds and release versions.
 // 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