diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 940dd314fd1..9f5a5ce21e3 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,7 @@
+2007-05-30 Uros Bizjak <ubizjak@gmail.com>
+
+	* config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Undef before define.
+
 2007-05-30  Richard Sandiford  <richard@codesourcery.com>
 
 	* config.gcc (arm-wrs-vxworks): Remove dbxelf.h from tm_file.
diff --git a/gcc/config/i386/darwin.h b/gcc/config/i386/darwin.h
index d0ffec4113b..e489134a121 100644
--- a/gcc/config/i386/darwin.h
+++ b/gcc/config/i386/darwin.h
@@ -128,6 +128,7 @@ extern void darwin_x86_file_end (void);
 /* By default, target has a 80387, uses IEEE compatible arithmetic,
    and returns float values in the 387.  */
 
+#undef TARGET_SUBTARGET_DEFAULT
 #define TARGET_SUBTARGET_DEFAULT (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS | MASK_128BIT_LONG_DOUBLE)
 
 /* For now, disable dynamic-no-pic.  We'll need to go through i386.c