diff --git a/headers/os/BeBuild.h b/headers/os/BeBuild.h
index 30dd21a065..3bf2acfdba 100644
--- a/headers/os/BeBuild.h
+++ b/headers/os/BeBuild.h
@@ -30,7 +30,7 @@
 #define B_HAIKU_VERSION_1_PRE_BETA_1	0x00000401
 #define B_HAIKU_VERSION_1				0x00010000
 
-#define B_HAIKU_VERSION					B_HAIKU_VERSION_1_PRE_ALPHA_4
+#define B_HAIKU_VERSION					B_HAIKU_VERSION_1_PRE_BETA_1
 
 /* Haiku ABI */
 #define B_HAIKU_ABI_MAJOR				0xffff0000