diff --git a/headers/os/BeBuild.h b/headers/os/BeBuild.h
index 5dbf658195..e5826a6d8f 100644
--- a/headers/os/BeBuild.h
+++ b/headers/os/BeBuild.h
@@ -33,7 +33,7 @@
 #define B_HAIKU_ABI_GCC_2_HAIKU			0x00020002
 
 #if __GNUC__ == 2
-#	define B_HAIKU_ABI					B_HAIKU_ABI_GCC_2
+#	define B_HAIKU_ABI					B_HAIKU_ABI_GCC_2_HAIKU
 #elif __GNUC__ == 4
 #	define B_HAIKU_ABI					B_HAIKU_ABI_GCC_4
 #else