Index: libcfa/prelude/prelude-gen.cc
===================================================================
--- libcfa/prelude/prelude-gen.cc	(revision d9f0ed4ee78a51cbbdea4e928499c97d3485d4a8)
+++ libcfa/prelude/prelude-gen.cc	(revision e78229082adfb3c10fb5491aed9ad107e4a870a5)
@@ -34,5 +34,5 @@
 #if defined(__i386__) || defined(__ia64__) || defined(__x86_64__)
 	{ "__float80"             , true , true , },
-	{ "_Float128"             , true , true , },
+	{ "__float128"            , true , true , },
 #endif
 };